Home / 406,359.35-609,579.12-140,084.81

Finding the Fourth Proportional to 406,359.35, 609,579.12 and 140,084.81

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Solution

The fourth proportional to 406,359.35, 609,579.12 and 140,084.81 is: 210,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,359.35 : 609,579.12 = 140,084.81 : x
  2. Step 2: Convert to fraction form
    406,359.35/609,579.12 = 140,084.81/x
  3. Step 3: Cross multiply
    406,359.35x = 609,579.12 × 140,084.81
  4. Step 4: Simplify right side
    406,359.35x = 85,392,774,180.53
  5. Step 5: Solve for x
    x = 85,392,774,180.53/406,359.35
  6. Step 6: Final answer
    x = 210,141.04

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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.