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Finding the Fourth Proportional to 445,897.17, 615,261.02 and 252,313.65

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Solution

The fourth proportional to 445,897.17, 615,261.02 and 252,313.65 is: 348,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,897.17 : 615,261.02 = 252,313.65 : x
  2. Step 2: Convert to fraction form
    445,897.17/615,261.02 = 252,313.65/x
  3. Step 3: Cross multiply
    445,897.17x = 615,261.02 × 252,313.65
  4. Step 4: Simplify right side
    445,897.17x = 155,238,752,397.36
  5. Step 5: Solve for x
    x = 155,238,752,397.36/445,897.17
  6. Step 6: Final answer
    x = 348,149.22

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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.