Home / 285,856.20-428,492.70-167,466.60

Finding the Fourth Proportional to 285,856.20, 428,492.70 and 167,466.60

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Solution

The fourth proportional to 285,856.20, 428,492.70 and 167,466.60 is: 251,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,856.20 : 428,492.70 = 167,466.60 : x
  2. Step 2: Convert to fraction form
    285,856.20/428,492.70 = 167,466.60/x
  3. Step 3: Cross multiply
    285,856.20x = 428,492.70 × 167,466.60
  4. Step 4: Simplify right side
    285,856.20x = 71,758,215,593.82
  5. Step 5: Solve for x
    x = 71,758,215,593.82/285,856.20
  6. Step 6: Final answer
    x = 251,029.07

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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.