Home / 406,979.40-610,385.96-154,172.73

Finding the Fourth Proportional to 406,979.40, 610,385.96 and 154,172.73

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Solution

The fourth proportional to 406,979.40, 610,385.96 and 154,172.73 is: 231,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,979.40 : 610,385.96 = 154,172.73 : x
  2. Step 2: Convert to fraction form
    406,979.40/610,385.96 = 154,172.73/x
  3. Step 3: Cross multiply
    406,979.40x = 610,385.96 × 154,172.73
  4. Step 4: Simplify right side
    406,979.40x = 94,104,869,806.87
  5. Step 5: Solve for x
    x = 94,104,869,806.87/406,979.40
  6. Step 6: Final answer
    x = 231,227.60

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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.