Home / 406,385.01-609,578.96-136,505.43

Finding the Fourth Proportional to 406,385.01, 609,578.96 and 136,505.43

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Solution

The fourth proportional to 406,385.01, 609,578.96 and 136,505.43 is: 204,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,385.01 : 609,578.96 = 136,505.43 : x
  2. Step 2: Convert to fraction form
    406,385.01/609,578.96 = 136,505.43/x
  3. Step 3: Cross multiply
    406,385.01x = 609,578.96 × 136,505.43
  4. Step 4: Simplify right side
    406,385.01x = 83,210,837,038.59
  5. Step 5: Solve for x
    x = 83,210,837,038.59/406,385.01
  6. Step 6: Final answer
    x = 204,758.63

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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.