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Finding the Fourth Proportional to 207,254.70, 310,834.26 and 80,897.94

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Solution

The fourth proportional to 207,254.70, 310,834.26 and 80,897.94 is: 121,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,254.70 : 310,834.26 = 80,897.94 : x
  2. Step 2: Convert to fraction form
    207,254.70/310,834.26 = 80,897.94/x
  3. Step 3: Cross multiply
    207,254.70x = 310,834.26 × 80,897.94
  4. Step 4: Simplify right side
    207,254.70x = 25,145,851,315.42
  5. Step 5: Solve for x
    x = 25,145,851,315.42/207,254.70
  6. Step 6: Final answer
    x = 121,328.26

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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.