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Finding the Fourth Proportional to 243,397.67, 335,891.57 and 134,501.59

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Solution

The fourth proportional to 243,397.67, 335,891.57 and 134,501.59 is: 185,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,397.67 : 335,891.57 = 134,501.59 : x
  2. Step 2: Convert to fraction form
    243,397.67/335,891.57 = 134,501.59/x
  3. Step 3: Cross multiply
    243,397.67x = 335,891.57 × 134,501.59
  4. Step 4: Simplify right side
    243,397.67x = 45,177,950,232.60
  5. Step 5: Solve for x
    x = 45,177,950,232.60/243,397.67
  6. Step 6: Final answer
    x = 185,613.73

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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.