Home / 299,831.02-449,871.17-131,264.55

Finding the Fourth Proportional to 299,831.02, 449,871.17 and 131,264.55

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Solution

The fourth proportional to 299,831.02, 449,871.17 and 131,264.55 is: 196,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,831.02 : 449,871.17 = 131,264.55 : x
  2. Step 2: Convert to fraction form
    299,831.02/449,871.17 = 131,264.55/x
  3. Step 3: Cross multiply
    299,831.02x = 449,871.17 × 131,264.55
  4. Step 4: Simplify right side
    299,831.02x = 59,052,136,031.70
  5. Step 5: Solve for x
    x = 59,052,136,031.70/299,831.02
  6. Step 6: Final answer
    x = 196,951.39

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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.