Home / 272,764.26-409,244.94-139,707.18

Finding the Fourth Proportional to 272,764.26, 409,244.94 and 139,707.18

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Solution

The fourth proportional to 272,764.26, 409,244.94 and 139,707.18 is: 209,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,764.26 : 409,244.94 = 139,707.18 : x
  2. Step 2: Convert to fraction form
    272,764.26/409,244.94 = 139,707.18/x
  3. Step 3: Cross multiply
    272,764.26x = 409,244.94 × 139,707.18
  4. Step 4: Simplify right side
    272,764.26x = 57,174,456,496.67
  5. Step 5: Solve for x
    x = 57,174,456,496.67/272,764.26
  6. Step 6: Final answer
    x = 209,611.25

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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.