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Finding the Fourth Proportional to 456,088.80, 629,377.92 and 252,127.56

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Solution

The fourth proportional to 456,088.80, 629,377.92 and 252,127.56 is: 347,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,088.80 : 629,377.92 = 252,127.56 : x
  2. Step 2: Convert to fraction form
    456,088.80/629,377.92 = 252,127.56/x
  3. Step 3: Cross multiply
    456,088.80x = 629,377.92 × 252,127.56
  4. Step 4: Simplify right side
    456,088.80x = 158,683,519,287.48
  5. Step 5: Solve for x
    x = 158,683,519,287.48/456,088.80
  6. Step 6: Final answer
    x = 347,922.42

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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.