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Finding the Fourth Proportional to 243,349.89, 335,820.87 and 134,453.88

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Solution

The fourth proportional to 243,349.89, 335,820.87 and 134,453.88 is: 185,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,349.89 : 335,820.87 = 134,453.88 : x
  2. Step 2: Convert to fraction form
    243,349.89/335,820.87 = 134,453.88/x
  3. Step 3: Cross multiply
    243,349.89x = 335,820.87 × 134,453.88
  4. Step 4: Simplify right side
    243,349.89x = 45,152,420,468.20
  5. Step 5: Solve for x
    x = 45,152,420,468.20/243,349.89
  6. Step 6: Final answer
    x = 185,545.27

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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.