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Finding the Fourth Proportional to 540,058.71, 810,078.03 and 161,236.29

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Solution

The fourth proportional to 540,058.71, 810,078.03 and 161,236.29 is: 241,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,058.71 : 810,078.03 = 161,236.29 : x
  2. Step 2: Convert to fraction form
    540,058.71/810,078.03 = 161,236.29/x
  3. Step 3: Cross multiply
    540,058.71x = 810,078.03 × 161,236.29
  4. Step 4: Simplify right side
    540,058.71x = 130,613,976,167.71
  5. Step 5: Solve for x
    x = 130,613,976,167.71/540,058.71
  6. Step 6: Final answer
    x = 241,851.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.