Home / 281,204.46-388,060.47-152,142.50

Finding the Fourth Proportional to 281,204.46, 388,060.47 and 152,142.50

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Solution

The fourth proportional to 281,204.46, 388,060.47 and 152,142.50 is: 209,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,204.46 : 388,060.47 = 152,142.50 : x
  2. Step 2: Convert to fraction form
    281,204.46/388,060.47 = 152,142.50/x
  3. Step 3: Cross multiply
    281,204.46x = 388,060.47 × 152,142.50
  4. Step 4: Simplify right side
    281,204.46x = 59,040,491,027.13
  5. Step 5: Solve for x
    x = 59,040,491,027.13/281,204.46
  6. Step 6: Final answer
    x = 209,955.74

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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.