Home / 383,788.96-575,724.40-103,310.24

Finding the Fourth Proportional to 383,788.96, 575,724.40 and 103,310.24

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Solution

The fourth proportional to 383,788.96, 575,724.40 and 103,310.24 is: 154,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,788.96 : 575,724.40 = 103,310.24 : x
  2. Step 2: Convert to fraction form
    383,788.96/575,724.40 = 103,310.24/x
  3. Step 3: Cross multiply
    383,788.96x = 575,724.40 × 103,310.24
  4. Step 4: Simplify right side
    383,788.96x = 59,478,225,937.86
  5. Step 5: Solve for x
    x = 59,478,225,937.86/383,788.96
  6. Step 6: Final answer
    x = 154,976.39

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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.