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Finding the Fourth Proportional to 575,240.79, 862,861.19 and 175,881.57

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Solution

The fourth proportional to 575,240.79, 862,861.19 and 175,881.57 is: 263,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,240.79 : 862,861.19 = 175,881.57 : x
  2. Step 2: Convert to fraction form
    575,240.79/862,861.19 = 175,881.57/x
  3. Step 3: Cross multiply
    575,240.79x = 862,861.19 × 175,881.57
  4. Step 4: Simplify right side
    575,240.79x = 151,761,380,789.27
  5. Step 5: Solve for x
    x = 151,761,380,789.27/575,240.79
  6. Step 6: Final answer
    x = 263,822.36

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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.