Home / 254,200.16-381,310.16-76,707.19

Finding the Fourth Proportional to 254,200.16, 381,310.16 and 76,707.19

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Solution

The fourth proportional to 254,200.16, 381,310.16 and 76,707.19 is: 115,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,200.16 : 381,310.16 = 76,707.19 : x
  2. Step 2: Convert to fraction form
    254,200.16/381,310.16 = 76,707.19/x
  3. Step 3: Cross multiply
    254,200.16x = 381,310.16 × 76,707.19
  4. Step 4: Simplify right side
    254,200.16x = 29,249,229,555.24
  5. Step 5: Solve for x
    x = 29,249,229,555.24/254,200.16
  6. Step 6: Final answer
    x = 115,063.78

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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.