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Finding the Fourth Proportional to 329,442.40, 494,746.80 and 254,744.20

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Solution

The fourth proportional to 329,442.40, 494,746.80 and 254,744.20 is: 382,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,442.40 : 494,746.80 = 254,744.20 : x
  2. Step 2: Convert to fraction form
    329,442.40/494,746.80 = 254,744.20/x
  3. Step 3: Cross multiply
    329,442.40x = 494,746.80 × 254,744.20
  4. Step 4: Simplify right side
    329,442.40x = 126,033,877,768.56
  5. Step 5: Solve for x
    x = 126,033,877,768.56/329,442.40
  6. Step 6: Final answer
    x = 382,567.26

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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.