Home / 254,337.90-381,567.60-76,846.65

Finding the Fourth Proportional to 254,337.90, 381,567.60 and 76,846.65

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Solution

The fourth proportional to 254,337.90, 381,567.60 and 76,846.65 is: 115,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,337.90 : 381,567.60 = 76,846.65 : x
  2. Step 2: Convert to fraction form
    254,337.90/381,567.60 = 76,846.65/x
  3. Step 3: Cross multiply
    254,337.90x = 381,567.60 × 76,846.65
  4. Step 4: Simplify right side
    254,337.90x = 29,322,191,808.54
  5. Step 5: Solve for x
    x = 29,322,191,808.54/254,337.90
  6. Step 6: Final answer
    x = 115,288.33

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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.