Home / 231,737.20-346,949.70-208,117.60

Finding the Fourth Proportional to 231,737.20, 346,949.70 and 208,117.60

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Solution

The fourth proportional to 231,737.20, 346,949.70 and 208,117.60 is: 311,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,737.20 : 346,949.70 = 208,117.60 : x
  2. Step 2: Convert to fraction form
    231,737.20/346,949.70 = 208,117.60/x
  3. Step 3: Cross multiply
    231,737.20x = 346,949.70 × 208,117.60
  4. Step 4: Simplify right side
    231,737.20x = 72,206,338,884.72
  5. Step 5: Solve for x
    x = 72,206,338,884.72/231,737.20
  6. Step 6: Final answer
    x = 311,587.17

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1.5x scale

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.