Home / 268,585.20-402,877.80-198,601.20

Finding the Fourth Proportional to 268,585.20, 402,877.80 and 198,601.20

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Solution

The fourth proportional to 268,585.20, 402,877.80 and 198,601.20 is: 297,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,585.20 : 402,877.80 = 198,601.20 : x
  2. Step 2: Convert to fraction form
    268,585.20/402,877.80 = 198,601.20/x
  3. Step 3: Cross multiply
    268,585.20x = 402,877.80 × 198,601.20
  4. Step 4: Simplify right side
    268,585.20x = 80,012,014,533.36
  5. Step 5: Solve for x
    x = 80,012,014,533.36/268,585.20
  6. Step 6: Final answer
    x = 297,901.80

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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.