Home / 330,102.30-495,317.48-130,429.20

Finding the Fourth Proportional to 330,102.30, 495,317.48 and 130,429.20

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Solution

The fourth proportional to 330,102.30, 495,317.48 and 130,429.20 is: 195,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,102.30 : 495,317.48 = 130,429.20 : x
  2. Step 2: Convert to fraction form
    330,102.30/495,317.48 = 130,429.20/x
  3. Step 3: Cross multiply
    330,102.30x = 495,317.48 × 130,429.20
  4. Step 4: Simplify right side
    330,102.30x = 64,603,862,010.27
  5. Step 5: Solve for x
    x = 64,603,862,010.27/330,102.30
  6. Step 6: Final answer
    x = 195,708.61

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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.