Home / 300,582.86-450,874.26-75,943.94

Finding the Fourth Proportional to 300,582.86, 450,874.26 and 75,943.94

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Solution

The fourth proportional to 300,582.86, 450,874.26 and 75,943.94 is: 113,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,582.86 : 450,874.26 = 75,943.94 : x
  2. Step 2: Convert to fraction form
    300,582.86/450,874.26 = 75,943.94/x
  3. Step 3: Cross multiply
    300,582.86x = 450,874.26 × 75,943.94
  4. Step 4: Simplify right side
    300,582.86x = 34,241,165,494.61
  5. Step 5: Solve for x
    x = 34,241,165,494.61/300,582.86
  6. Step 6: Final answer
    x = 113,915.90

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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.