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Finding the Fourth Proportional to 514,570.70, 771,856.05 and 159,620.60

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Solution

The fourth proportional to 514,570.70, 771,856.05 and 159,620.60 is: 239,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,570.70 : 771,856.05 = 159,620.60 : x
  2. Step 2: Convert to fraction form
    514,570.70/771,856.05 = 159,620.60/x
  3. Step 3: Cross multiply
    514,570.70x = 771,856.05 × 159,620.60
  4. Step 4: Simplify right side
    514,570.70x = 123,204,125,814.63
  5. Step 5: Solve for x
    x = 123,204,125,814.63/514,570.70
  6. Step 6: Final answer
    x = 239,430.90

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Similar ratio
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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.