Home / 238,734.60-357,879.42-163,890

Finding the Fourth Proportional to 238,734.60, 357,879.42 and 163,890

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Solution

The fourth proportional to 238,734.60, 357,879.42 and 163,890 is: 245,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,734.60 : 357,879.42 = 163,890 : x
  2. Step 2: Convert to fraction form
    238,734.60/357,879.42 = 163,890/x
  3. Step 3: Cross multiply
    238,734.60x = 357,879.42 × 163,890
  4. Step 4: Simplify right side
    238,734.60x = 58,652,858,143.80
  5. Step 5: Solve for x
    x = 58,652,858,143.80/238,734.60
  6. Step 6: Final answer
    x = 245,682.27

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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.