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Finding the Fourth Proportional to 243,355.68, 335,831.04 and 135,925.56

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Solution

The fourth proportional to 243,355.68, 335,831.04 and 135,925.56 is: 187,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,355.68 : 335,831.04 = 135,925.56 : x
  2. Step 2: Convert to fraction form
    243,355.68/335,831.04 = 135,925.56/x
  3. Step 3: Cross multiply
    243,355.68x = 335,831.04 × 135,925.56
  4. Step 4: Simplify right side
    243,355.68x = 45,648,022,177.38
  5. Step 5: Solve for x
    x = 45,648,022,177.38/243,355.68
  6. Step 6: Final answer
    x = 187,577.39

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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.