Home / 278,739.23-416,002.43-251,835.08

Finding the Fourth Proportional to 278,739.23, 416,002.43 and 251,835.08

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Solution

The fourth proportional to 278,739.23, 416,002.43 and 251,835.08 is: 375,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,739.23 : 416,002.43 = 251,835.08 : x
  2. Step 2: Convert to fraction form
    278,739.23/416,002.43 = 251,835.08/x
  3. Step 3: Cross multiply
    278,739.23x = 416,002.43 × 251,835.08
  4. Step 4: Simplify right side
    278,739.23x = 104,764,003,788.82
  5. Step 5: Solve for x
    x = 104,764,003,788.82/278,739.23
  6. Step 6: Final answer
    x = 375,849.52

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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.