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Finding the Fourth Proportional to 560,359.60, 840,545.50 and 161,003.68

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Solution

The fourth proportional to 560,359.60, 840,545.50 and 161,003.68 is: 241,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,359.60 : 840,545.50 = 161,003.68 : x
  2. Step 2: Convert to fraction form
    560,359.60/840,545.50 = 161,003.68/x
  3. Step 3: Cross multiply
    560,359.60x = 840,545.50 × 161,003.68
  4. Step 4: Simplify right side
    560,359.60x = 135,330,918,707.44
  5. Step 5: Solve for x
    x = 135,330,918,707.44/560,359.60
  6. Step 6: Final answer
    x = 241,507.27

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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.