Home / 535,029.31-802,572.18-135,673.53

Finding the Fourth Proportional to 535,029.31, 802,572.18 and 135,673.53

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Solution

The fourth proportional to 535,029.31, 802,572.18 and 135,673.53 is: 203,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,029.31 : 802,572.18 = 135,673.53 : x
  2. Step 2: Convert to fraction form
    535,029.31/802,572.18 = 135,673.53/x
  3. Step 3: Cross multiply
    535,029.31x = 802,572.18 × 135,673.53
  4. Step 4: Simplify right side
    535,029.31x = 108,887,800,062.03
  5. Step 5: Solve for x
    x = 108,887,800,062.03/535,029.31
  6. Step 6: Final answer
    x = 203,517.45

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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.