Home / 218,733.81-328,058.79-92,332.50

Finding the Fourth Proportional to 218,733.81, 328,058.79 and 92,332.50

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Solution

The fourth proportional to 218,733.81, 328,058.79 and 92,332.50 is: 138,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,733.81 : 328,058.79 = 92,332.50 : x
  2. Step 2: Convert to fraction form
    218,733.81/328,058.79 = 92,332.50/x
  3. Step 3: Cross multiply
    218,733.81x = 328,058.79 × 92,332.50
  4. Step 4: Simplify right side
    218,733.81x = 30,290,488,227.68
  5. Step 5: Solve for x
    x = 30,290,488,227.68/218,733.81
  6. Step 6: Final answer
    x = 138,481.05

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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.