Home / 421,262.75-581,447.06-240,082.14

Finding the Fourth Proportional to 421,262.75, 581,447.06 and 240,082.14

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Solution

The fourth proportional to 421,262.75, 581,447.06 and 240,082.14 is: 331,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,262.75 : 581,447.06 = 240,082.14 : x
  2. Step 2: Convert to fraction form
    421,262.75/581,447.06 = 240,082.14/x
  3. Step 3: Cross multiply
    421,262.75x = 581,447.06 × 240,082.14
  4. Step 4: Simplify right side
    421,262.75x = 139,595,053,261.10
  5. Step 5: Solve for x
    x = 139,595,053,261.10/421,262.75
  6. Step 6: Final answer
    x = 331,372.89

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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.