Home / 254,244.48-381,369.36-76,752.96

Finding the Fourth Proportional to 254,244.48, 381,369.36 and 76,752.96

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Solution

The fourth proportional to 254,244.48, 381,369.36 and 76,752.96 is: 115,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,244.48 : 381,369.36 = 76,752.96 : x
  2. Step 2: Convert to fraction form
    254,244.48/381,369.36 = 76,752.96/x
  3. Step 3: Cross multiply
    254,244.48x = 381,369.36 × 76,752.96
  4. Step 4: Simplify right side
    254,244.48x = 29,271,227,233.31
  5. Step 5: Solve for x
    x = 29,271,227,233.31/254,244.48
  6. Step 6: Final answer
    x = 115,130.24

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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.