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Finding the Fourth Proportional to 606,084.72, 909,066.60 and 185,364.24

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Solution

The fourth proportional to 606,084.72, 909,066.60 and 185,364.24 is: 278,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,084.72 : 909,066.60 = 185,364.24 : x
  2. Step 2: Convert to fraction form
    606,084.72/909,066.60 = 185,364.24/x
  3. Step 3: Cross multiply
    606,084.72x = 909,066.60 × 185,364.24
  4. Step 4: Simplify right side
    606,084.72x = 168,508,439,418.38
  5. Step 5: Solve for x
    x = 168,508,439,418.38/606,084.72
  6. Step 6: Final answer
    x = 278,027.86

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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.