Home / 312,185.12-466,942.89-260,579.76

Finding the Fourth Proportional to 312,185.12, 466,942.89 and 260,579.76

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Solution

The fourth proportional to 312,185.12, 466,942.89 and 260,579.76 is: 389,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,185.12 : 466,942.89 = 260,579.76 : x
  2. Step 2: Convert to fraction form
    312,185.12/466,942.89 = 260,579.76/x
  3. Step 3: Cross multiply
    312,185.12x = 466,942.89 × 260,579.76
  4. Step 4: Simplify right side
    312,185.12x = 121,675,866,209.91
  5. Step 5: Solve for x
    x = 121,675,866,209.91/312,185.12
  6. Step 6: Final answer
    x = 389,755.50

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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.