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Finding the Fourth Proportional to 520,150.92, 780,451.76 and 183,432.16

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Solution

The fourth proportional to 520,150.92, 780,451.76 and 183,432.16 is: 275,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,150.92 : 780,451.76 = 183,432.16 : x
  2. Step 2: Convert to fraction form
    520,150.92/780,451.76 = 183,432.16/x
  3. Step 3: Cross multiply
    520,150.92x = 780,451.76 × 183,432.16
  4. Step 4: Simplify right side
    520,150.92x = 143,159,952,112.60
  5. Step 5: Solve for x
    x = 143,159,952,112.60/520,150.92
  6. Step 6: Final answer
    x = 275,227.72

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1.5x scale

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.