Home / 331,345.10-497,017.65-109,729.10

Finding the Fourth Proportional to 331,345.10, 497,017.65 and 109,729.10

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Solution

The fourth proportional to 331,345.10, 497,017.65 and 109,729.10 is: 164,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,345.10 : 497,017.65 = 109,729.10 : x
  2. Step 2: Convert to fraction form
    331,345.10/497,017.65 = 109,729.10/x
  3. Step 3: Cross multiply
    331,345.10x = 497,017.65 × 109,729.10
  4. Step 4: Simplify right side
    331,345.10x = 54,537,299,418.62
  5. Step 5: Solve for x
    x = 54,537,299,418.62/331,345.10
  6. Step 6: Final answer
    x = 164,593.65

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Similar ratio
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1.5x scale

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.