Home / 383,789.96-575,725.90-103,311.24

Finding the Fourth Proportional to 383,789.96, 575,725.90 and 103,311.24

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Solution

The fourth proportional to 383,789.96, 575,725.90 and 103,311.24 is: 154,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,789.96 : 575,725.90 = 103,311.24 : x
  2. Step 2: Convert to fraction form
    383,789.96/575,725.90 = 103,311.24/x
  3. Step 3: Cross multiply
    383,789.96x = 575,725.90 × 103,311.24
  4. Step 4: Simplify right side
    383,789.96x = 59,478,956,629.12
  5. Step 5: Solve for x
    x = 59,478,956,629.12/383,789.96
  6. Step 6: Final answer
    x = 154,977.89

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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.