Home / 287,864,102.40-431,158,424.40-249,600,350.40

Finding the Fourth Proportional to 287,864,102.40, 431,158,424.40 and 249,600,350.40

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Solution

The fourth proportional to 287,864,102.40, 431,158,424.40 and 249,600,350.40 is: 373,847,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,864,102.40 : 431,158,424.40 = 249,600,350.40 : x
  2. Step 2: Convert to fraction form
    287,864,102.40/431,158,424.40 = 249,600,350.40/x
  3. Step 3: Cross multiply
    287,864,102.40x = 431,158,424.40 × 249,600,350.40
  4. Step 4: Simplify right side
    287,864,102.40x = 107,617,293,808,151,904
  5. Step 5: Solve for x
    x = 107,617,293,808,151,904/287,864,102.40
  6. Step 6: Final answer
    x = 373,847,565.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.