Home / 268,721.20-403,082.10-69,043.24

Finding the Fourth Proportional to 268,721.20, 403,082.10 and 69,043.24

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Solution

The fourth proportional to 268,721.20, 403,082.10 and 69,043.24 is: 103,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,721.20 : 403,082.10 = 69,043.24 : x
  2. Step 2: Convert to fraction form
    268,721.20/403,082.10 = 69,043.24/x
  3. Step 3: Cross multiply
    268,721.20x = 403,082.10 × 69,043.24
  4. Step 4: Simplify right side
    268,721.20x = 27,830,092,212.34
  5. Step 5: Solve for x
    x = 27,830,092,212.34/268,721.20
  6. Step 6: Final answer
    x = 103,564.93

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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.