Home / 347,781.45-479,943.38-202,583.50

Finding the Fourth Proportional to 347,781.45, 479,943.38 and 202,583.50

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Solution

The fourth proportional to 347,781.45, 479,943.38 and 202,583.50 is: 279,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,781.45 : 479,943.38 = 202,583.50 : x
  2. Step 2: Convert to fraction form
    347,781.45/479,943.38 = 202,583.50/x
  3. Step 3: Cross multiply
    347,781.45x = 479,943.38 × 202,583.50
  4. Step 4: Simplify right side
    347,781.45x = 97,228,609,722.23
  5. Step 5: Solve for x
    x = 97,228,609,722.23/347,781.45
  6. Step 6: Final answer
    x = 279,568.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.