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Finding the Fourth Proportional to 252,422.49, 378,551.79 and 83,897.49

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Solution

The fourth proportional to 252,422.49, 378,551.79 and 83,897.49 is: 125,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,422.49 : 378,551.79 = 83,897.49 : x
  2. Step 2: Convert to fraction form
    252,422.49/378,551.79 = 83,897.49/x
  3. Step 3: Cross multiply
    252,422.49x = 378,551.79 × 83,897.49
  4. Step 4: Simplify right side
    252,422.49x = 31,759,545,016.01
  5. Step 5: Solve for x
    x = 31,759,545,016.01/252,422.49
  6. Step 6: Final answer
    x = 125,819.00

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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.