Home / 231,354.40-346,966.80-73,631.20

Finding the Fourth Proportional to 231,354.40, 346,966.80 and 73,631.20

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Solution

The fourth proportional to 231,354.40, 346,966.80 and 73,631.20 is: 110,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,354.40 : 346,966.80 = 73,631.20 : x
  2. Step 2: Convert to fraction form
    231,354.40/346,966.80 = 73,631.20/x
  3. Step 3: Cross multiply
    231,354.40x = 346,966.80 × 73,631.20
  4. Step 4: Simplify right side
    231,354.40x = 25,547,581,844.16
  5. Step 5: Solve for x
    x = 25,547,581,844.16/231,354.40
  6. Step 6: Final answer
    x = 110,426.18

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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.