Home / 628,691.82-943,028.52-155,377.22

Finding the Fourth Proportional to 628,691.82, 943,028.52 and 155,377.22

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Solution

The fourth proportional to 628,691.82, 943,028.52 and 155,377.22 is: 233,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,691.82 : 943,028.52 = 155,377.22 : x
  2. Step 2: Convert to fraction form
    628,691.82/943,028.52 = 155,377.22/x
  3. Step 3: Cross multiply
    628,691.82x = 943,028.52 × 155,377.22
  4. Step 4: Simplify right side
    628,691.82x = 146,525,149,818.31
  5. Step 5: Solve for x
    x = 146,525,149,818.31/628,691.82
  6. Step 6: Final answer
    x = 233,063.55

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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.