Home / 534,395.12-801,589.08-218,851.52

Finding the Fourth Proportional to 534,395.12, 801,589.08 and 218,851.52

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Solution

The fourth proportional to 534,395.12, 801,589.08 and 218,851.52 is: 328,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,395.12 : 801,589.08 = 218,851.52 : x
  2. Step 2: Convert to fraction form
    534,395.12/801,589.08 = 218,851.52/x
  3. Step 3: Cross multiply
    534,395.12x = 801,589.08 × 218,851.52
  4. Step 4: Simplify right side
    534,395.12x = 175,428,988,573.40
  5. Step 5: Solve for x
    x = 175,428,988,573.40/534,395.12
  6. Step 6: Final answer
    x = 328,275.81

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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.