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Finding the Fourth Proportional to 242,333.42, 334,422.61 and 133,447.88

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Solution

The fourth proportional to 242,333.42, 334,422.61 and 133,447.88 is: 184,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,333.42 : 334,422.61 = 133,447.88 : x
  2. Step 2: Convert to fraction form
    242,333.42/334,422.61 = 133,447.88/x
  3. Step 3: Cross multiply
    242,333.42x = 334,422.61 × 133,447.88
  4. Step 4: Simplify right side
    242,333.42x = 44,627,988,831.00
  5. Step 5: Solve for x
    x = 44,627,988,831.00/242,333.42
  6. Step 6: Final answer
    x = 184,159.45

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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.