Home / 278,739.79-416,003.27-251,835.64

Finding the Fourth Proportional to 278,739.79, 416,003.27 and 251,835.64

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Solution

The fourth proportional to 278,739.79, 416,003.27 and 251,835.64 is: 375,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,739.79 : 416,003.27 = 251,835.64 : x
  2. Step 2: Convert to fraction form
    278,739.79/416,003.27 = 251,835.64/x
  3. Step 3: Cross multiply
    278,739.79x = 416,003.27 × 251,835.64
  4. Step 4: Simplify right side
    278,739.79x = 104,764,448,859.93
  5. Step 5: Solve for x
    x = 104,764,448,859.93/278,739.79
  6. Step 6: Final answer
    x = 375,850.36

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1.5x scale

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.