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Finding the Fourth Proportional to 236,318.60, 354,737.10 and 147,672.20

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Solution

The fourth proportional to 236,318.60, 354,737.10 and 147,672.20 is: 221,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,318.60 : 354,737.10 = 147,672.20 : x
  2. Step 2: Convert to fraction form
    236,318.60/354,737.10 = 147,672.20/x
  3. Step 3: Cross multiply
    236,318.60x = 354,737.10 × 147,672.20
  4. Step 4: Simplify right side
    236,318.60x = 52,384,807,978.62
  5. Step 5: Solve for x
    x = 52,384,807,978.62/236,318.60
  6. Step 6: Final answer
    x = 221,670.27

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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.