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Finding the Fourth Proportional to 606,149.22, 909,190.88 and 185,425.10

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Solution

The fourth proportional to 606,149.22, 909,190.88 and 185,425.10 is: 278,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,149.22 : 909,190.88 = 185,425.10 : x
  2. Step 2: Convert to fraction form
    606,149.22/909,190.88 = 185,425.10/x
  3. Step 3: Cross multiply
    606,149.22x = 909,190.88 × 185,425.10
  4. Step 4: Simplify right side
    606,149.22x = 168,586,808,474.82
  5. Step 5: Solve for x
    x = 168,586,808,474.82/606,149.22
  6. Step 6: Final answer
    x = 278,127.57

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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.