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Finding the Fourth Proportional to 408,860.40, 564,159.96 and 227,567.64

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Solution

The fourth proportional to 408,860.40, 564,159.96 and 227,567.64 is: 314,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,860.40 : 564,159.96 = 227,567.64 : x
  2. Step 2: Convert to fraction form
    408,860.40/564,159.96 = 227,567.64/x
  3. Step 3: Cross multiply
    408,860.40x = 564,159.96 × 227,567.64
  4. Step 4: Simplify right side
    408,860.40x = 128,384,550,679.69
  5. Step 5: Solve for x
    x = 128,384,550,679.69/408,860.40
  6. Step 6: Final answer
    x = 314,005.83

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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.