Home / 272,438.27-375,958.95-157,721.76

Finding the Fourth Proportional to 272,438.27, 375,958.95 and 157,721.76

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Solution

The fourth proportional to 272,438.27, 375,958.95 and 157,721.76 is: 217,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,438.27 : 375,958.95 = 157,721.76 : x
  2. Step 2: Convert to fraction form
    272,438.27/375,958.95 = 157,721.76/x
  3. Step 3: Cross multiply
    272,438.27x = 375,958.95 × 157,721.76
  4. Step 4: Simplify right side
    272,438.27x = 59,296,906,690.30
  5. Step 5: Solve for x
    x = 59,296,906,690.30/272,438.27
  6. Step 6: Final answer
    x = 217,652.63

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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.