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Finding the Fourth Proportional to 361,504.38, 542,369.92 and 217,567.24

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Solution

The fourth proportional to 361,504.38, 542,369.92 and 217,567.24 is: 326,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,504.38 : 542,369.92 = 217,567.24 : x
  2. Step 2: Convert to fraction form
    361,504.38/542,369.92 = 217,567.24/x
  3. Step 3: Cross multiply
    361,504.38x = 542,369.92 × 217,567.24
  4. Step 4: Simplify right side
    361,504.38x = 118,001,926,553.42
  5. Step 5: Solve for x
    x = 118,001,926,553.42/361,504.38
  6. Step 6: Final answer
    x = 326,419.08

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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.