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Finding the Fourth Proportional to 216,230.59, 298,204.63 and 135,666.91

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Solution

The fourth proportional to 216,230.59, 298,204.63 and 135,666.91 is: 187,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,230.59 : 298,204.63 = 135,666.91 : x
  2. Step 2: Convert to fraction form
    216,230.59/298,204.63 = 135,666.91/x
  3. Step 3: Cross multiply
    216,230.59x = 298,204.63 × 135,666.91
  4. Step 4: Simplify right side
    216,230.59x = 40,456,500,699.79
  5. Step 5: Solve for x
    x = 40,456,500,699.79/216,230.59
  6. Step 6: Final answer
    x = 187,098.88

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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.