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Finding the Fourth Proportional to 348,002.40, 521,582.40 and 147,902.70

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Solution

The fourth proportional to 348,002.40, 521,582.40 and 147,902.70 is: 221,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,002.40 : 521,582.40 = 147,902.70 : x
  2. Step 2: Convert to fraction form
    348,002.40/521,582.40 = 147,902.70/x
  3. Step 3: Cross multiply
    348,002.40x = 521,582.40 × 147,902.70
  4. Step 4: Simplify right side
    348,002.40x = 77,143,445,232.48
  5. Step 5: Solve for x
    x = 77,143,445,232.48/348,002.40
  6. Step 6: Final answer
    x = 221,675.04

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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.