Home / 329,811.60-494,620.20-130,065.60

Finding the Fourth Proportional to 329,811.60, 494,620.20 and 130,065.60

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Solution

The fourth proportional to 329,811.60, 494,620.20 and 130,065.60 is: 195,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,811.60 : 494,620.20 = 130,065.60 : x
  2. Step 2: Convert to fraction form
    329,811.60/494,620.20 = 130,065.60/x
  3. Step 3: Cross multiply
    329,811.60x = 494,620.20 × 130,065.60
  4. Step 4: Simplify right side
    329,811.60x = 64,333,073,085.12
  5. Step 5: Solve for x
    x = 64,333,073,085.12/329,811.60
  6. Step 6: Final answer
    x = 195,060.07

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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.