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Finding the Fourth Proportional to 411,079.52, 567,217.08 and 229,733.48

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Solution

The fourth proportional to 411,079.52, 567,217.08 and 229,733.48 is: 316,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,079.52 : 567,217.08 = 229,733.48 : x
  2. Step 2: Convert to fraction form
    411,079.52/567,217.08 = 229,733.48/x
  3. Step 3: Cross multiply
    411,079.52x = 567,217.08 × 229,733.48
  4. Step 4: Simplify right side
    411,079.52x = 130,308,753,703.84
  5. Step 5: Solve for x
    x = 130,308,753,703.84/411,079.52
  6. Step 6: Final answer
    x = 316,991.60

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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.