Home / 224,919.02-310,388.55-129,423.80

Finding the Fourth Proportional to 224,919.02, 310,388.55 and 129,423.80

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Solution

The fourth proportional to 224,919.02, 310,388.55 and 129,423.80 is: 178,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,919.02 : 310,388.55 = 129,423.80 : x
  2. Step 2: Convert to fraction form
    224,919.02/310,388.55 = 129,423.80/x
  3. Step 3: Cross multiply
    224,919.02x = 310,388.55 × 129,423.80
  4. Step 4: Simplify right side
    224,919.02x = 40,171,665,617.49
  5. Step 5: Solve for x
    x = 40,171,665,617.49/224,919.02
  6. Step 6: Final answer
    x = 178,605.02

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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.