Home / 542,824.45-814,243.60-143,461.77

Finding the Fourth Proportional to 542,824.45, 814,243.60 and 143,461.77

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Solution

The fourth proportional to 542,824.45, 814,243.60 and 143,461.77 is: 215,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,824.45 : 814,243.60 = 143,461.77 : x
  2. Step 2: Convert to fraction form
    542,824.45/814,243.60 = 143,461.77/x
  3. Step 3: Cross multiply
    542,824.45x = 814,243.60 × 143,461.77
  4. Step 4: Simplify right side
    542,824.45x = 116,812,823,995.95
  5. Step 5: Solve for x
    x = 116,812,823,995.95/542,824.45
  6. Step 6: Final answer
    x = 215,194.48

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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.