Home / 278,740.23-416,003.92-251,836.08

Finding the Fourth Proportional to 278,740.23, 416,003.92 and 251,836.08

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Solution

The fourth proportional to 278,740.23, 416,003.92 and 251,836.08 is: 375,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,740.23 : 416,003.92 = 251,836.08 : x
  2. Step 2: Convert to fraction form
    278,740.23/416,003.92 = 251,836.08/x
  3. Step 3: Cross multiply
    278,740.23x = 416,003.92 × 251,836.08
  4. Step 4: Simplify right side
    278,740.23x = 104,764,796,477.43
  5. Step 5: Solve for x
    x = 104,764,796,477.43/278,740.23
  6. Step 6: Final answer
    x = 375,851.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.