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Finding the Fourth Proportional to 486,861.04, 730,330.08 and 171,388.72

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Solution

The fourth proportional to 486,861.04, 730,330.08 and 171,388.72 is: 257,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,861.04 : 730,330.08 = 171,388.72 : x
  2. Step 2: Convert to fraction form
    486,861.04/730,330.08 = 171,388.72/x
  3. Step 3: Cross multiply
    486,861.04x = 730,330.08 × 171,388.72
  4. Step 4: Simplify right side
    486,861.04x = 125,170,337,588.70
  5. Step 5: Solve for x
    x = 125,170,337,588.70/486,861.04
  6. Step 6: Final answer
    x = 257,096.64

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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.