Home / 330,023.60-494,938.20-130,277.60

Finding the Fourth Proportional to 330,023.60, 494,938.20 and 130,277.60

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Solution

The fourth proportional to 330,023.60, 494,938.20 and 130,277.60 is: 195,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,023.60 : 494,938.20 = 130,277.60 : x
  2. Step 2: Convert to fraction form
    330,023.60/494,938.20 = 130,277.60/x
  3. Step 3: Cross multiply
    330,023.60x = 494,938.20 × 130,277.60
  4. Step 4: Simplify right side
    330,023.60x = 64,479,360,844.32
  5. Step 5: Solve for x
    x = 64,479,360,844.32/330,023.60
  6. Step 6: Final answer
    x = 195,378.03

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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.