Home / 285,848.20-428,634.06-167,557.96

Finding the Fourth Proportional to 285,848.20, 428,634.06 and 167,557.96

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Solution

The fourth proportional to 285,848.20, 428,634.06 and 167,557.96 is: 251,255.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,848.20 : 428,634.06 = 167,557.96 : x
  2. Step 2: Convert to fraction form
    285,848.20/428,634.06 = 167,557.96/x
  3. Step 3: Cross multiply
    285,848.20x = 428,634.06 × 167,557.96
  4. Step 4: Simplify right side
    285,848.20x = 71,821,048,680.12
  5. Step 5: Solve for x
    x = 71,821,048,680.12/285,848.20
  6. Step 6: Final answer
    x = 251,255.91

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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.