Home / 278,490.14-417,361.02-151,940.75

Finding the Fourth Proportional to 278,490.14, 417,361.02 and 151,940.75

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Solution

The fourth proportional to 278,490.14, 417,361.02 and 151,940.75 is: 227,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,490.14 : 417,361.02 = 151,940.75 : x
  2. Step 2: Convert to fraction form
    278,490.14/417,361.02 = 151,940.75/x
  3. Step 3: Cross multiply
    278,490.14x = 417,361.02 × 151,940.75
  4. Step 4: Simplify right side
    278,490.14x = 63,414,144,312.76
  5. Step 5: Solve for x
    x = 63,414,144,312.76/278,490.14
  6. Step 6: Final answer
    x = 227,706.97

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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.