Home / 449,749.53-674,524.95-129,831.87

Finding the Fourth Proportional to 449,749.53, 674,524.95 and 129,831.87

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Solution

The fourth proportional to 449,749.53, 674,524.95 and 129,831.87 is: 194,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,749.53 : 674,524.95 = 129,831.87 : x
  2. Step 2: Convert to fraction form
    449,749.53/674,524.95 = 129,831.87/x
  3. Step 3: Cross multiply
    449,749.53x = 674,524.95 × 129,831.87
  4. Step 4: Simplify right side
    449,749.53x = 87,574,835,620.16
  5. Step 5: Solve for x
    x = 87,574,835,620.16/449,749.53
  6. Step 6: Final answer
    x = 194,719.13

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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.