Home / 535,028.05-802,570.30-135,672.28

Finding the Fourth Proportional to 535,028.05, 802,570.30 and 135,672.28

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Solution

The fourth proportional to 535,028.05, 802,570.30 and 135,672.28 is: 203,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,028.05 : 802,570.30 = 135,672.28 : x
  2. Step 2: Convert to fraction form
    535,028.05/802,570.30 = 135,672.28/x
  3. Step 3: Cross multiply
    535,028.05x = 802,570.30 × 135,672.28
  4. Step 4: Simplify right side
    535,028.05x = 108,886,540,115.68
  5. Step 5: Solve for x
    x = 108,886,540,115.68/535,028.05
  6. Step 6: Final answer
    x = 203,515.57

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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.