Home / 472,455.14-651,969.30-278,925.20

Finding the Fourth Proportional to 472,455.14, 651,969.30 and 278,925.20

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Solution

The fourth proportional to 472,455.14, 651,969.30 and 278,925.20 is: 384,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,455.14 : 651,969.30 = 278,925.20 : x
  2. Step 2: Convert to fraction form
    472,455.14/651,969.30 = 278,925.20/x
  3. Step 3: Cross multiply
    472,455.14x = 651,969.30 × 278,925.20
  4. Step 4: Simplify right side
    472,455.14x = 181,850,667,396.36
  5. Step 5: Solve for x
    x = 181,850,667,396.36/472,455.14
  6. Step 6: Final answer
    x = 384,905.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.