Home / 332,639.60-498,959.40-199,929.20

Finding the Fourth Proportional to 332,639.60, 498,959.40 and 199,929.20

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Solution

The fourth proportional to 332,639.60, 498,959.40 and 199,929.20 is: 299,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,639.60 : 498,959.40 = 199,929.20 : x
  2. Step 2: Convert to fraction form
    332,639.60/498,959.40 = 199,929.20/x
  3. Step 3: Cross multiply
    332,639.60x = 498,959.40 × 199,929.20
  4. Step 4: Simplify right side
    332,639.60x = 99,756,553,674.48
  5. Step 5: Solve for x
    x = 99,756,553,674.48/332,639.60
  6. Step 6: Final answer
    x = 299,893.80

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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.