Home / 279,447.15-417,883.13-207,535.86

Finding the Fourth Proportional to 279,447.15, 417,883.13 and 207,535.86

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Solution

The fourth proportional to 279,447.15, 417,883.13 and 207,535.86 is: 310,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,447.15 : 417,883.13 = 207,535.86 : x
  2. Step 2: Convert to fraction form
    279,447.15/417,883.13 = 207,535.86/x
  3. Step 3: Cross multiply
    279,447.15x = 417,883.13 × 207,535.86
  4. Step 4: Simplify right side
    279,447.15x = 86,725,734,764.04
  5. Step 5: Solve for x
    x = 86,725,734,764.04/279,447.15
  6. Step 6: Final answer
    x = 310,347.54

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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.