Home / 324,848.40-487,272.60-137,835.60

Finding the Fourth Proportional to 324,848.40, 487,272.60 and 137,835.60

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Solution

The fourth proportional to 324,848.40, 487,272.60 and 137,835.60 is: 206,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,848.40 : 487,272.60 = 137,835.60 : x
  2. Step 2: Convert to fraction form
    324,848.40/487,272.60 = 137,835.60/x
  3. Step 3: Cross multiply
    324,848.40x = 487,272.60 × 137,835.60
  4. Step 4: Simplify right side
    324,848.40x = 67,163,511,184.56
  5. Step 5: Solve for x
    x = 67,163,511,184.56/324,848.40
  6. Step 6: Final answer
    x = 206,753.40

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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.