Home / 406,097.79-609,250.37-121,787.25

Finding the Fourth Proportional to 406,097.79, 609,250.37 and 121,787.25

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Solution

The fourth proportional to 406,097.79, 609,250.37 and 121,787.25 is: 182,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,097.79 : 609,250.37 = 121,787.25 : x
  2. Step 2: Convert to fraction form
    406,097.79/609,250.37 = 121,787.25/x
  3. Step 3: Cross multiply
    406,097.79x = 609,250.37 × 121,787.25
  4. Step 4: Simplify right side
    406,097.79x = 74,198,926,514.85
  5. Step 5: Solve for x
    x = 74,198,926,514.85/406,097.79
  6. Step 6: Final answer
    x = 182,711.97

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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.