Home / 330,548.45-456,001.06-239,705.13

Finding the Fourth Proportional to 330,548.45, 456,001.06 and 239,705.13

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Solution

The fourth proportional to 330,548.45, 456,001.06 and 239,705.13 is: 330,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,548.45 : 456,001.06 = 239,705.13 : x
  2. Step 2: Convert to fraction form
    330,548.45/456,001.06 = 239,705.13/x
  3. Step 3: Cross multiply
    330,548.45x = 456,001.06 × 239,705.13
  4. Step 4: Simplify right side
    330,548.45x = 109,305,793,367.44
  5. Step 5: Solve for x
    x = 109,305,793,367.44/330,548.45
  6. Step 6: Final answer
    x = 330,680.10

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1.5x scale

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.