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Finding the Fourth Proportional to 552,511.70, 828,773.70 and 153,155.94

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Solution

The fourth proportional to 552,511.70, 828,773.70 and 153,155.94 is: 229,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,511.70 : 828,773.70 = 153,155.94 : x
  2. Step 2: Convert to fraction form
    552,511.70/828,773.70 = 153,155.94/x
  3. Step 3: Cross multiply
    552,511.70x = 828,773.70 × 153,155.94
  4. Step 4: Simplify right side
    552,511.70x = 126,931,615,070.78
  5. Step 5: Solve for x
    x = 126,931,615,070.78/552,511.70
  6. Step 6: Final answer
    x = 229,735.61

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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.