Home / 207,512.35-285,764.06-180,276

Finding the Fourth Proportional to 207,512.35, 285,764.06 and 180,276

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Solution

The fourth proportional to 207,512.35, 285,764.06 and 180,276 is: 248,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,512.35 : 285,764.06 = 180,276 : x
  2. Step 2: Convert to fraction form
    207,512.35/285,764.06 = 180,276/x
  3. Step 3: Cross multiply
    207,512.35x = 285,764.06 × 180,276
  4. Step 4: Simplify right side
    207,512.35x = 51,516,401,680.56
  5. Step 5: Solve for x
    x = 51,516,401,680.56/207,512.35
  6. Step 6: Final answer
    x = 248,257.04

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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.