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Finding the Fourth Proportional to 247,404.60, 371,106.90 and 147,677.40

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Solution

The fourth proportional to 247,404.60, 371,106.90 and 147,677.40 is: 221,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,404.60 : 371,106.90 = 147,677.40 : x
  2. Step 2: Convert to fraction form
    247,404.60/371,106.90 = 147,677.40/x
  3. Step 3: Cross multiply
    247,404.60x = 371,106.90 × 147,677.40
  4. Step 4: Simplify right side
    247,404.60x = 54,804,102,114.06
  5. Step 5: Solve for x
    x = 54,804,102,114.06/247,404.60
  6. Step 6: Final answer
    x = 221,516.10

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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.