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Finding the Fourth Proportional to 220,367.46, 330,553.35 and 87,280.14

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Solution

The fourth proportional to 220,367.46, 330,553.35 and 87,280.14 is: 130,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,367.46 : 330,553.35 = 87,280.14 : x
  2. Step 2: Convert to fraction form
    220,367.46/330,553.35 = 87,280.14/x
  3. Step 3: Cross multiply
    220,367.46x = 330,553.35 × 87,280.14
  4. Step 4: Simplify right side
    220,367.46x = 28,850,742,665.47
  5. Step 5: Solve for x
    x = 28,850,742,665.47/220,367.46
  6. Step 6: Final answer
    x = 130,921.07

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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.