Home / 499,232.16-688,940.72-272,877.64

Finding the Fourth Proportional to 499,232.16, 688,940.72 and 272,877.64

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Solution

The fourth proportional to 499,232.16, 688,940.72 and 272,877.64 is: 376,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,232.16 : 688,940.72 = 272,877.64 : x
  2. Step 2: Convert to fraction form
    499,232.16/688,940.72 = 272,877.64/x
  3. Step 3: Cross multiply
    499,232.16x = 688,940.72 × 272,877.64
  4. Step 4: Simplify right side
    499,232.16x = 187,996,517,773.50
  5. Step 5: Solve for x
    x = 187,996,517,773.50/499,232.16
  6. Step 6: Final answer
    x = 376,571.33

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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.