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Finding the Fourth Proportional to 242,534.76, 334,708.05 and 135,104.76

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Solution

The fourth proportional to 242,534.76, 334,708.05 and 135,104.76 is: 186,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,534.76 : 334,708.05 = 135,104.76 : x
  2. Step 2: Convert to fraction form
    242,534.76/334,708.05 = 135,104.76/x
  3. Step 3: Cross multiply
    242,534.76x = 334,708.05 × 135,104.76
  4. Step 4: Simplify right side
    242,534.76x = 45,220,650,512.00
  5. Step 5: Solve for x
    x = 45,220,650,512.00/242,534.76
  6. Step 6: Final answer
    x = 186,450.19

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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.