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Finding the Fourth Proportional to 408,887.50, 564,252.16 and 227,594.77

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Solution

The fourth proportional to 408,887.50, 564,252.16 and 227,594.77 is: 314,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,887.50 : 564,252.16 = 227,594.77 : x
  2. Step 2: Convert to fraction form
    408,887.50/564,252.16 = 227,594.77/x
  3. Step 3: Cross multiply
    408,887.50x = 564,252.16 × 227,594.77
  4. Step 4: Simplify right side
    408,887.50x = 128,420,840,577.20
  5. Step 5: Solve for x
    x = 128,420,840,577.20/408,887.50
  6. Step 6: Final answer
    x = 314,073.77

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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.