Home / 406,978.20-609,977.79-150,606.18

Finding the Fourth Proportional to 406,978.20, 609,977.79 and 150,606.18

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Solution

The fourth proportional to 406,978.20, 609,977.79 and 150,606.18 is: 225,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,978.20 : 609,977.79 = 150,606.18 : x
  2. Step 2: Convert to fraction form
    406,978.20/609,977.79 = 150,606.18/x
  3. Step 3: Cross multiply
    406,978.20x = 609,977.79 × 150,606.18
  4. Step 4: Simplify right side
    406,978.20x = 91,866,424,836.74
  5. Step 5: Solve for x
    x = 91,866,424,836.74/406,978.20
  6. Step 6: Final answer
    x = 225,728.12

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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.