Home / 542,823.95-814,242.85-143,461.27

Finding the Fourth Proportional to 542,823.95, 814,242.85 and 143,461.27

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Solution

The fourth proportional to 542,823.95, 814,242.85 and 143,461.27 is: 215,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,823.95 : 814,242.85 = 143,461.27 : x
  2. Step 2: Convert to fraction form
    542,823.95/814,242.85 = 143,461.27/x
  3. Step 3: Cross multiply
    542,823.95x = 814,242.85 × 143,461.27
  4. Step 4: Simplify right side
    542,823.95x = 116,812,309,428.45
  5. Step 5: Solve for x
    x = 116,812,309,428.45/542,823.95
  6. Step 6: Final answer
    x = 215,193.73

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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.