Home / 330,214.50-455,701.68-179,311.50

Finding the Fourth Proportional to 330,214.50, 455,701.68 and 179,311.50

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Solution

The fourth proportional to 330,214.50, 455,701.68 and 179,311.50 is: 247,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,214.50 : 455,701.68 = 179,311.50 : x
  2. Step 2: Convert to fraction form
    330,214.50/455,701.68 = 179,311.50/x
  3. Step 3: Cross multiply
    330,214.50x = 455,701.68 × 179,311.50
  4. Step 4: Simplify right side
    330,214.50x = 81,712,551,793.32
  5. Step 5: Solve for x
    x = 81,712,551,793.32/330,214.50
  6. Step 6: Final answer
    x = 247,452.95

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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.