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Finding the Fourth Proportional to 243,402.54, 335,883.51 and 135,951.18

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Solution

The fourth proportional to 243,402.54, 335,883.51 and 135,951.18 is: 187,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,402.54 : 335,883.51 = 135,951.18 : x
  2. Step 2: Convert to fraction form
    243,402.54/335,883.51 = 135,951.18/x
  3. Step 3: Cross multiply
    243,402.54x = 335,883.51 × 135,951.18
  4. Step 4: Simplify right side
    243,402.54x = 45,663,759,527.04
  5. Step 5: Solve for x
    x = 45,663,759,527.04/243,402.54
  6. Step 6: Final answer
    x = 187,605.93

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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.