Home / 367,939.89-551,909.84-115,240.15

Finding the Fourth Proportional to 367,939.89, 551,909.84 and 115,240.15

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Solution

The fourth proportional to 367,939.89, 551,909.84 and 115,240.15 is: 172,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,939.89 : 551,909.84 = 115,240.15 : x
  2. Step 2: Convert to fraction form
    367,939.89/551,909.84 = 115,240.15/x
  3. Step 3: Cross multiply
    367,939.89x = 551,909.84 × 115,240.15
  4. Step 4: Simplify right side
    367,939.89x = 63,602,172,748.08
  5. Step 5: Solve for x
    x = 63,602,172,748.08/367,939.89
  6. Step 6: Final answer
    x = 172,860.23

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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.