Home / 269,530.50-404,315.20-103,318.50

Finding the Fourth Proportional to 269,530.50, 404,315.20 and 103,318.50

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Solution

The fourth proportional to 269,530.50, 404,315.20 and 103,318.50 is: 154,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,530.50 : 404,315.20 = 103,318.50 : x
  2. Step 2: Convert to fraction form
    269,530.50/404,315.20 = 103,318.50/x
  3. Step 3: Cross multiply
    269,530.50x = 404,315.20 × 103,318.50
  4. Step 4: Simplify right side
    269,530.50x = 41,773,239,991.20
  5. Step 5: Solve for x
    x = 41,773,239,991.20/269,530.50
  6. Step 6: Final answer
    x = 154,985.21

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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.