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Finding the Fourth Proportional to 650,620.80, 975,931.20 and 229,939.20

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Solution

The fourth proportional to 650,620.80, 975,931.20 and 229,939.20 is: 344,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,620.80 : 975,931.20 = 229,939.20 : x
  2. Step 2: Convert to fraction form
    650,620.80/975,931.20 = 229,939.20/x
  3. Step 3: Cross multiply
    650,620.80x = 975,931.20 × 229,939.20
  4. Step 4: Simplify right side
    650,620.80x = 224,404,839,383.04
  5. Step 5: Solve for x
    x = 224,404,839,383.04/650,620.80
  6. Step 6: Final answer
    x = 344,908.80

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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.