Home / 330,790.89-456,511.34-194,915.46

Finding the Fourth Proportional to 330,790.89, 456,511.34 and 194,915.46

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Solution

The fourth proportional to 330,790.89, 456,511.34 and 194,915.46 is: 268,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,790.89 : 456,511.34 = 194,915.46 : x
  2. Step 2: Convert to fraction form
    330,790.89/456,511.34 = 194,915.46/x
  3. Step 3: Cross multiply
    330,790.89x = 456,511.34 × 194,915.46
  4. Step 4: Simplify right side
    330,790.89x = 88,981,116,856.74
  5. Step 5: Solve for x
    x = 88,981,116,856.74/330,790.89
  6. Step 6: Final answer
    x = 268,995.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.