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Finding the Fourth Proportional to 242,761.08, 335,010.32 and 135,328.80

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Solution

The fourth proportional to 242,761.08, 335,010.32 and 135,328.80 is: 186,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,761.08 : 335,010.32 = 135,328.80 : x
  2. Step 2: Convert to fraction form
    242,761.08/335,010.32 = 135,328.80/x
  3. Step 3: Cross multiply
    242,761.08x = 335,010.32 × 135,328.80
  4. Step 4: Simplify right side
    242,761.08x = 45,336,544,593.22
  5. Step 5: Solve for x
    x = 45,336,544,593.22/242,761.08
  6. Step 6: Final answer
    x = 186,753.76

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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.