Home / 403,049.18-555,976.86-251,883.74

Finding the Fourth Proportional to 403,049.18, 555,976.86 and 251,883.74

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Solution

The fourth proportional to 403,049.18, 555,976.86 and 251,883.74 is: 347,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,049.18 : 555,976.86 = 251,883.74 : x
  2. Step 2: Convert to fraction form
    403,049.18/555,976.86 = 251,883.74/x
  3. Step 3: Cross multiply
    403,049.18x = 555,976.86 × 251,883.74
  4. Step 4: Simplify right side
    403,049.18x = 140,041,530,366.95
  5. Step 5: Solve for x
    x = 140,041,530,366.95/403,049.18
  6. Step 6: Final answer
    x = 347,455.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.