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Finding the Fourth Proportional to 240,651.28, 332,088 and 133,213.72

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Solution

The fourth proportional to 240,651.28, 332,088 and 133,213.72 is: 183,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,651.28 : 332,088 = 133,213.72 : x
  2. Step 2: Convert to fraction form
    240,651.28/332,088 = 133,213.72/x
  3. Step 3: Cross multiply
    240,651.28x = 332,088 × 133,213.72
  4. Step 4: Simplify right side
    240,651.28x = 44,238,677,847.36
  5. Step 5: Solve for x
    x = 44,238,677,847.36/240,651.28
  6. Step 6: Final answer
    x = 183,828.97

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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.