Home / 329,579.40-494,952.30-254,881.20

Finding the Fourth Proportional to 329,579.40, 494,952.30 and 254,881.20

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Solution

The fourth proportional to 329,579.40, 494,952.30 and 254,881.20 is: 382,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,579.40 : 494,952.30 = 254,881.20 : x
  2. Step 2: Convert to fraction form
    329,579.40/494,952.30 = 254,881.20/x
  3. Step 3: Cross multiply
    329,579.40x = 494,952.30 × 254,881.20
  4. Step 4: Simplify right side
    329,579.40x = 126,154,036,166.76
  5. Step 5: Solve for x
    x = 126,154,036,166.76/329,579.40
  6. Step 6: Final answer
    x = 382,772.82

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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.