Home / 215,628.66-321,926.85-164,761.47

Finding the Fourth Proportional to 215,628.66, 321,926.85 and 164,761.47

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Solution

The fourth proportional to 215,628.66, 321,926.85 and 164,761.47 is: 245,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,628.66 : 321,926.85 = 164,761.47 : x
  2. Step 2: Convert to fraction form
    215,628.66/321,926.85 = 164,761.47/x
  3. Step 3: Cross multiply
    215,628.66x = 321,926.85 × 164,761.47
  4. Step 4: Simplify right side
    215,628.66x = 53,041,141,038.47
  5. Step 5: Solve for x
    x = 53,041,141,038.47/215,628.66
  6. Step 6: Final answer
    x = 245,983.73

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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.