Home / 330,112.60-455,557.25-194,152.28

Finding the Fourth Proportional to 330,112.60, 455,557.25 and 194,152.28

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Solution

The fourth proportional to 330,112.60, 455,557.25 and 194,152.28 is: 267,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,112.60 : 455,557.25 = 194,152.28 : x
  2. Step 2: Convert to fraction form
    330,112.60/455,557.25 = 194,152.28/x
  3. Step 3: Cross multiply
    330,112.60x = 455,557.25 × 194,152.28
  4. Step 4: Simplify right side
    330,112.60x = 88,447,476,965.62
  5. Step 5: Solve for x
    x = 88,447,476,965.62/330,112.60
  6. Step 6: Final answer
    x = 267,931.24

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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.