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Finding the Fourth Proportional to 237,445.01, 327,674.64 and 128,550.50

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Solution

The fourth proportional to 237,445.01, 327,674.64 and 128,550.50 is: 177,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,445.01 : 327,674.64 = 128,550.50 : x
  2. Step 2: Convert to fraction form
    237,445.01/327,674.64 = 128,550.50/x
  3. Step 3: Cross multiply
    237,445.01x = 327,674.64 × 128,550.50
  4. Step 4: Simplify right side
    237,445.01x = 42,122,737,170.95
  5. Step 5: Solve for x
    x = 42,122,737,170.95/237,445.01
  6. Step 6: Final answer
    x = 177,399.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.