Home / 212,660.76-319,053.50-62,905

Finding the Fourth Proportional to 212,660.76, 319,053.50 and 62,905

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Solution

The fourth proportional to 212,660.76, 319,053.50 and 62,905 is: 94,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,660.76 : 319,053.50 = 62,905 : x
  2. Step 2: Convert to fraction form
    212,660.76/319,053.50 = 62,905/x
  3. Step 3: Cross multiply
    212,660.76x = 319,053.50 × 62,905
  4. Step 4: Simplify right side
    212,660.76x = 20,070,060,417.50
  5. Step 5: Solve for x
    x = 20,070,060,417.50/212,660.76
  6. Step 6: Final answer
    x = 94,375.95

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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.