Home / 345,078.88-476,197.16-194,146.72

Finding the Fourth Proportional to 345,078.88, 476,197.16 and 194,146.72

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Solution

The fourth proportional to 345,078.88, 476,197.16 and 194,146.72 is: 267,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,078.88 : 476,197.16 = 194,146.72 : x
  2. Step 2: Convert to fraction form
    345,078.88/476,197.16 = 194,146.72/x
  3. Step 3: Cross multiply
    345,078.88x = 476,197.16 × 194,146.72
  4. Step 4: Simplify right side
    345,078.88x = 92,452,116,687.32
  5. Step 5: Solve for x
    x = 92,452,116,687.32/345,078.88
  6. Step 6: Final answer
    x = 267,915.89

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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.