Home / 383,946.30-575,919.45-103,463.55

Finding the Fourth Proportional to 383,946.30, 575,919.45 and 103,463.55

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Solution

The fourth proportional to 383,946.30, 575,919.45 and 103,463.55 is: 155,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,946.30 : 575,919.45 = 103,463.55 : x
  2. Step 2: Convert to fraction form
    383,946.30/575,919.45 = 103,463.55/x
  3. Step 3: Cross multiply
    383,946.30x = 575,919.45 × 103,463.55
  4. Step 4: Simplify right side
    383,946.30x = 59,586,670,811.05
  5. Step 5: Solve for x
    x = 59,586,670,811.05/383,946.30
  6. Step 6: Final answer
    x = 155,195.33

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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.