Home / 497,506.83-746,268.35-142,519.47

Finding the Fourth Proportional to 497,506.83, 746,268.35 and 142,519.47

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Solution

The fourth proportional to 497,506.83, 746,268.35 and 142,519.47 is: 213,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,506.83 : 746,268.35 = 142,519.47 : x
  2. Step 2: Convert to fraction form
    497,506.83/746,268.35 = 142,519.47/x
  3. Step 3: Cross multiply
    497,506.83x = 746,268.35 × 142,519.47
  4. Step 4: Simplify right side
    497,506.83x = 106,357,769,007.18
  5. Step 5: Solve for x
    x = 106,357,769,007.18/497,506.83
  6. Step 6: Final answer
    x = 213,781.53

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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.