Home / 268,852.80-403,528.43-135,826.71

Finding the Fourth Proportional to 268,852.80, 403,528.43 and 135,826.71

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Solution

The fourth proportional to 268,852.80, 403,528.43 and 135,826.71 is: 203,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,852.80 : 403,528.43 = 135,826.71 : x
  2. Step 2: Convert to fraction form
    268,852.80/403,528.43 = 135,826.71/x
  3. Step 3: Cross multiply
    268,852.80x = 403,528.43 × 135,826.71
  4. Step 4: Simplify right side
    268,852.80x = 54,809,937,864.70
  5. Step 5: Solve for x
    x = 54,809,937,864.70/268,852.80
  6. Step 6: Final answer
    x = 203,865.97

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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.