Home / 485,397.32-669,851.42-270,551.03

Finding the Fourth Proportional to 485,397.32, 669,851.42 and 270,551.03

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Solution

The fourth proportional to 485,397.32, 669,851.42 and 270,551.03 is: 373,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,397.32 : 669,851.42 = 270,551.03 : x
  2. Step 2: Convert to fraction form
    485,397.32/669,851.42 = 270,551.03/x
  3. Step 3: Cross multiply
    485,397.32x = 669,851.42 × 270,551.03
  4. Step 4: Simplify right side
    485,397.32x = 181,228,986,925.95
  5. Step 5: Solve for x
    x = 181,228,986,925.95/485,397.32
  6. Step 6: Final answer
    x = 373,362.15

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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.