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Finding the Fourth Proportional to 243,649.06, 365,805.17 and 137,108.29

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Solution

The fourth proportional to 243,649.06, 365,805.17 and 137,108.29 is: 205,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,649.06 : 365,805.17 = 137,108.29 : x
  2. Step 2: Convert to fraction form
    243,649.06/365,805.17 = 137,108.29/x
  3. Step 3: Cross multiply
    243,649.06x = 365,805.17 × 137,108.29
  4. Step 4: Simplify right side
    243,649.06x = 50,154,921,331.86
  5. Step 5: Solve for x
    x = 50,154,921,331.86/243,649.06
  6. Step 6: Final answer
    x = 205,849.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.