Home / 268,664.40-402,899.40-108,673.20

Finding the Fourth Proportional to 268,664.40, 402,899.40 and 108,673.20

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Solution

The fourth proportional to 268,664.40, 402,899.40 and 108,673.20 is: 162,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,664.40 : 402,899.40 = 108,673.20 : x
  2. Step 2: Convert to fraction form
    268,664.40/402,899.40 = 108,673.20/x
  3. Step 3: Cross multiply
    268,664.40x = 402,899.40 × 108,673.20
  4. Step 4: Simplify right side
    268,664.40x = 43,784,367,076.08
  5. Step 5: Solve for x
    x = 43,784,367,076.08/268,664.40
  6. Step 6: Final answer
    x = 162,970.48

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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.