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Finding the Fourth Proportional to 329,886.40, 494,829.60 and 251,154.40

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Solution

The fourth proportional to 329,886.40, 494,829.60 and 251,154.40 is: 376,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,886.40 : 494,829.60 = 251,154.40 : x
  2. Step 2: Convert to fraction form
    329,886.40/494,829.60 = 251,154.40/x
  3. Step 3: Cross multiply
    329,886.40x = 494,829.60 × 251,154.40
  4. Step 4: Simplify right side
    329,886.40x = 124,278,631,290.24
  5. Step 5: Solve for x
    x = 124,278,631,290.24/329,886.40
  6. Step 6: Final answer
    x = 376,731.60

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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.