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Finding the Fourth Proportional to 171,367.40, 257,095.44 and 100,350.04

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Solution

The fourth proportional to 171,367.40, 257,095.44 and 100,350.04 is: 150,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,367.40 : 257,095.44 = 100,350.04 : x
  2. Step 2: Convert to fraction form
    171,367.40/257,095.44 = 100,350.04/x
  3. Step 3: Cross multiply
    171,367.40x = 257,095.44 × 100,350.04
  4. Step 4: Simplify right side
    171,367.40x = 25,799,537,809.37
  5. Step 5: Solve for x
    x = 25,799,537,809.37/171,367.40
  6. Step 6: Final answer
    x = 150,551.03

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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.