Home / 254,238.48-381,360.36-76,746.96

Finding the Fourth Proportional to 254,238.48, 381,360.36 and 76,746.96

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Solution

The fourth proportional to 254,238.48, 381,360.36 and 76,746.96 is: 115,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,238.48 : 381,360.36 = 76,746.96 : x
  2. Step 2: Convert to fraction form
    254,238.48/381,360.36 = 76,746.96/x
  3. Step 3: Cross multiply
    254,238.48x = 381,360.36 × 76,746.96
  4. Step 4: Simplify right side
    254,238.48x = 29,268,248,294.51
  5. Step 5: Solve for x
    x = 29,268,248,294.51/254,238.48
  6. Step 6: Final answer
    x = 115,121.24

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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.