Home / 330,787.13-456,506.24-194,911.79

Finding the Fourth Proportional to 330,787.13, 456,506.24 and 194,911.79

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Solution

The fourth proportional to 330,787.13, 456,506.24 and 194,911.79 is: 268,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,787.13 : 456,506.24 = 194,911.79 : x
  2. Step 2: Convert to fraction form
    330,787.13/456,506.24 = 194,911.79/x
  3. Step 3: Cross multiply
    330,787.13x = 456,506.24 × 194,911.79
  4. Step 4: Simplify right side
    330,787.13x = 88,978,445,127.48
  5. Step 5: Solve for x
    x = 88,978,445,127.48/330,787.13
  6. Step 6: Final answer
    x = 268,990.05

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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.