Home / 344,306.30-516,459.45-209,587.10

Finding the Fourth Proportional to 344,306.30, 516,459.45 and 209,587.10

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Solution

The fourth proportional to 344,306.30, 516,459.45 and 209,587.10 is: 314,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,306.30 : 516,459.45 = 209,587.10 : x
  2. Step 2: Convert to fraction form
    344,306.30/516,459.45 = 209,587.10/x
  3. Step 3: Cross multiply
    344,306.30x = 516,459.45 × 209,587.10
  4. Step 4: Simplify right side
    344,306.30x = 108,243,238,393.10
  5. Step 5: Solve for x
    x = 108,243,238,393.10/344,306.30
  6. Step 6: Final answer
    x = 314,380.65

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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.