Home / 259,848.60-389,481.30-147,582.60

Finding the Fourth Proportional to 259,848.60, 389,481.30 and 147,582.60

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Solution

The fourth proportional to 259,848.60, 389,481.30 and 147,582.60 is: 221,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,848.60 : 389,481.30 = 147,582.60 : x
  2. Step 2: Convert to fraction form
    259,848.60/389,481.30 = 147,582.60/x
  3. Step 3: Cross multiply
    259,848.60x = 389,481.30 × 147,582.60
  4. Step 4: Simplify right side
    259,848.60x = 57,480,662,905.38
  5. Step 5: Solve for x
    x = 57,480,662,905.38/259,848.60
  6. Step 6: Final answer
    x = 221,208.28

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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.