Home / 345,293.12-476,549.92-194,419.52

Finding the Fourth Proportional to 345,293.12, 476,549.92 and 194,419.52

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Solution

The fourth proportional to 345,293.12, 476,549.92 and 194,419.52 is: 268,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,293.12 : 476,549.92 = 194,419.52 : x
  2. Step 2: Convert to fraction form
    345,293.12/476,549.92 = 194,419.52/x
  3. Step 3: Cross multiply
    345,293.12x = 476,549.92 × 194,419.52
  4. Step 4: Simplify right side
    345,293.12x = 92,650,606,702.44
  5. Step 5: Solve for x
    x = 92,650,606,702.44/345,293.12
  6. Step 6: Final answer
    x = 268,324.51

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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.