Home / 254,738.75-351,168.98-178,019.66

Finding the Fourth Proportional to 254,738.75, 351,168.98 and 178,019.66

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Solution

The fourth proportional to 254,738.75, 351,168.98 and 178,019.66 is: 245,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,738.75 : 351,168.98 = 178,019.66 : x
  2. Step 2: Convert to fraction form
    254,738.75/351,168.98 = 178,019.66/x
  3. Step 3: Cross multiply
    254,738.75x = 351,168.98 × 178,019.66
  4. Step 4: Simplify right side
    254,738.75x = 62,514,979,776.20
  5. Step 5: Solve for x
    x = 62,514,979,776.20/254,738.75
  6. Step 6: Final answer
    x = 245,408.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.