Home / 330,306.28-455,854.66-185,136.72

Finding the Fourth Proportional to 330,306.28, 455,854.66 and 185,136.72

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Solution

The fourth proportional to 330,306.28, 455,854.66 and 185,136.72 is: 255,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,306.28 : 455,854.66 = 185,136.72 : x
  2. Step 2: Convert to fraction form
    330,306.28/455,854.66 = 185,136.72/x
  3. Step 3: Cross multiply
    330,306.28x = 455,854.66 × 185,136.72
  4. Step 4: Simplify right side
    330,306.28x = 84,395,436,941.00
  5. Step 5: Solve for x
    x = 84,395,436,941.00/330,306.28
  6. Step 6: Final answer
    x = 255,506.61

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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.