Home / 209,226.30-288,730.50-113,732.70

Finding the Fourth Proportional to 209,226.30, 288,730.50 and 113,732.70

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Solution

The fourth proportional to 209,226.30, 288,730.50 and 113,732.70 is: 156,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,226.30 : 288,730.50 = 113,732.70 : x
  2. Step 2: Convert to fraction form
    209,226.30/288,730.50 = 113,732.70/x
  3. Step 3: Cross multiply
    209,226.30x = 288,730.50 × 113,732.70
  4. Step 4: Simplify right side
    209,226.30x = 32,838,099,337.35
  5. Step 5: Solve for x
    x = 32,838,099,337.35/209,226.30
  6. Step 6: Final answer
    x = 156,950.15

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1.5x scale

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.