Home / 270,247.50-405,368.01-253,806.18

Finding the Fourth Proportional to 270,247.50, 405,368.01 and 253,806.18

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Solution

The fourth proportional to 270,247.50, 405,368.01 and 253,806.18 is: 380,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,247.50 : 405,368.01 = 253,806.18 : x
  2. Step 2: Convert to fraction form
    270,247.50/405,368.01 = 253,806.18/x
  3. Step 3: Cross multiply
    270,247.50x = 405,368.01 × 253,806.18
  4. Step 4: Simplify right side
    270,247.50x = 102,884,906,112.30
  5. Step 5: Solve for x
    x = 102,884,906,112.30/270,247.50
  6. Step 6: Final answer
    x = 380,706.23

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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.