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Finding the Fourth Proportional to 408,878.39, 564,252.14 and 227,586.42

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Solution

The fourth proportional to 408,878.39, 564,252.14 and 227,586.42 is: 314,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,878.39 : 564,252.14 = 227,586.42 : x
  2. Step 2: Convert to fraction form
    408,878.39/564,252.14 = 227,586.42/x
  3. Step 3: Cross multiply
    408,878.39x = 564,252.14 × 227,586.42
  4. Step 4: Simplify right side
    408,878.39x = 128,416,125,088.91
  5. Step 5: Solve for x
    x = 128,416,125,088.91/408,878.39
  6. Step 6: Final answer
    x = 314,069.24

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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.