Home / 278,099.35-416,672.89-151,828.36

Finding the Fourth Proportional to 278,099.35, 416,672.89 and 151,828.36

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Solution

The fourth proportional to 278,099.35, 416,672.89 and 151,828.36 is: 227,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,099.35 : 416,672.89 = 151,828.36 : x
  2. Step 2: Convert to fraction form
    278,099.35/416,672.89 = 151,828.36/x
  3. Step 3: Cross multiply
    278,099.35x = 416,672.89 × 151,828.36
  4. Step 4: Simplify right side
    278,099.35x = 63,262,760,123.91
  5. Step 5: Solve for x
    x = 63,262,760,123.91/278,099.35
  6. Step 6: Final answer
    x = 227,482.59

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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.