Home / 324,938.47-487,494.66-100,289.83

Finding the Fourth Proportional to 324,938.47, 487,494.66 and 100,289.83

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Solution

The fourth proportional to 324,938.47, 487,494.66 and 100,289.83 is: 150,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,938.47 : 487,494.66 = 100,289.83 : x
  2. Step 2: Convert to fraction form
    324,938.47/487,494.66 = 100,289.83/x
  3. Step 3: Cross multiply
    324,938.47x = 487,494.66 × 100,289.83
  4. Step 4: Simplify right side
    324,938.47x = 48,890,756,577.31
  5. Step 5: Solve for x
    x = 48,890,756,577.31/324,938.47
  6. Step 6: Final answer
    x = 150,461.58

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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.