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Finding the Fourth Proportional to 332,488, 498,399.40 and 119,197.88

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Solution

The fourth proportional to 332,488, 498,399.40 and 119,197.88 is: 178,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,488 : 498,399.40 = 119,197.88 : x
  2. Step 2: Convert to fraction form
    332,488/498,399.40 = 119,197.88/x
  3. Step 3: Cross multiply
    332,488x = 498,399.40 × 119,197.88
  4. Step 4: Simplify right side
    332,488x = 59,408,151,873.27
  5. Step 5: Solve for x
    x = 59,408,151,873.27/332,488
  6. Step 6: Final answer
    x = 178,677.58

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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.