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Finding the Fourth Proportional to 242,627.07, 334,820.79 and 135,194.79

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Solution

The fourth proportional to 242,627.07, 334,820.79 and 135,194.79 is: 186,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,627.07 : 334,820.79 = 135,194.79 : x
  2. Step 2: Convert to fraction form
    242,627.07/334,820.79 = 135,194.79/x
  3. Step 3: Cross multiply
    242,627.07x = 334,820.79 × 135,194.79
  4. Step 4: Simplify right side
    242,627.07x = 45,266,026,391.68
  5. Step 5: Solve for x
    x = 45,266,026,391.68/242,627.07
  6. Step 6: Final answer
    x = 186,566.27

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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.