Home / 254,678.72-381,493.08-149,177.84

Finding the Fourth Proportional to 254,678.72, 381,493.08 and 149,177.84

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Solution

The fourth proportional to 254,678.72, 381,493.08 and 149,177.84 is: 223,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,678.72 : 381,493.08 = 149,177.84 : x
  2. Step 2: Convert to fraction form
    254,678.72/381,493.08 = 149,177.84/x
  3. Step 3: Cross multiply
    254,678.72x = 381,493.08 × 149,177.84
  4. Step 4: Simplify right side
    254,678.72x = 56,910,313,649.35
  5. Step 5: Solve for x
    x = 56,910,313,649.35/254,678.72
  6. Step 6: Final answer
    x = 223,459.24

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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.