Home / 536,839.11-804,668.18-221,123.79

Finding the Fourth Proportional to 536,839.11, 804,668.18 and 221,123.79

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Solution

The fourth proportional to 536,839.11, 804,668.18 and 221,123.79 is: 331,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,839.11 : 804,668.18 = 221,123.79 : x
  2. Step 2: Convert to fraction form
    536,839.11/804,668.18 = 221,123.79/x
  3. Step 3: Cross multiply
    536,839.11x = 804,668.18 × 221,123.79
  4. Step 4: Simplify right side
    536,839.11x = 177,931,276,548.38
  5. Step 5: Solve for x
    x = 177,931,276,548.38/536,839.11
  6. Step 6: Final answer
    x = 331,442.46

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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.