Home / 231,833.82-321,567.40-225,688.35

Finding the Fourth Proportional to 231,833.82, 321,567.40 and 225,688.35

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Solution

The fourth proportional to 231,833.82, 321,567.40 and 225,688.35 is: 313,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,833.82 : 321,567.40 = 225,688.35 : x
  2. Step 2: Convert to fraction form
    231,833.82/321,567.40 = 225,688.35/x
  3. Step 3: Cross multiply
    231,833.82x = 321,567.40 × 225,688.35
  4. Step 4: Simplify right side
    231,833.82x = 72,574,015,919.79
  5. Step 5: Solve for x
    x = 72,574,015,919.79/231,833.82
  6. Step 6: Final answer
    x = 313,043.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.