Home / 383,578.20-575,366.49-103,095.45

Finding the Fourth Proportional to 383,578.20, 575,366.49 and 103,095.45

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Solution

The fourth proportional to 383,578.20, 575,366.49 and 103,095.45 is: 154,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,578.20 : 575,366.49 = 103,095.45 : x
  2. Step 2: Convert to fraction form
    383,578.20/575,366.49 = 103,095.45/x
  3. Step 3: Cross multiply
    383,578.20x = 575,366.49 × 103,095.45
  4. Step 4: Simplify right side
    383,578.20x = 59,317,667,201.47
  5. Step 5: Solve for x
    x = 59,317,667,201.47/383,578.20
  6. Step 6: Final answer
    x = 154,642.96

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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.