Home / 312,582.75-468,874.12-75,923.83

Finding the Fourth Proportional to 312,582.75, 468,874.12 and 75,923.83

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Solution

The fourth proportional to 312,582.75, 468,874.12 and 75,923.83 is: 113,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,582.75 : 468,874.12 = 75,923.83 : x
  2. Step 2: Convert to fraction form
    312,582.75/468,874.12 = 75,923.83/x
  3. Step 3: Cross multiply
    312,582.75x = 468,874.12 × 75,923.83
  4. Step 4: Simplify right side
    312,582.75x = 35,598,719,849.09
  5. Step 5: Solve for x
    x = 35,598,719,849.09/312,582.75
  6. Step 6: Final answer
    x = 113,885.75

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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.