Home / 310,435.05-465,263.20-132,733.47

Finding the Fourth Proportional to 310,435.05, 465,263.20 and 132,733.47

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Solution

The fourth proportional to 310,435.05, 465,263.20 and 132,733.47 is: 198,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,435.05 : 465,263.20 = 132,733.47 : x
  2. Step 2: Convert to fraction form
    310,435.05/465,263.20 = 132,733.47/x
  3. Step 3: Cross multiply
    310,435.05x = 465,263.20 × 132,733.47
  4. Step 4: Simplify right side
    310,435.05x = 61,755,998,999.30
  5. Step 5: Solve for x
    x = 61,755,998,999.30/310,435.05
  6. Step 6: Final answer
    x = 198,933.72

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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.