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Finding the Fourth Proportional to 284,279.00, 392,304.92 and 163,443.92

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Solution

The fourth proportional to 284,279.00, 392,304.92 and 163,443.92 is: 225,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,279.00 : 392,304.92 = 163,443.92 : x
  2. Step 2: Convert to fraction form
    284,279.00/392,304.92 = 163,443.92/x
  3. Step 3: Cross multiply
    284,279.00x = 392,304.92 × 163,443.92
  4. Step 4: Simplify right side
    284,279.00x = 64,119,851,181.34
  5. Step 5: Solve for x
    x = 64,119,851,181.34/284,279.00
  6. Step 6: Final answer
    x = 225,552.55

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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.