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Finding the Fourth Proportional to 606,291.52, 909,187.06 and 206,964.50

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Solution

The fourth proportional to 606,291.52, 909,187.06 and 206,964.50 is: 310,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,291.52 : 909,187.06 = 206,964.50 : x
  2. Step 2: Convert to fraction form
    606,291.52/909,187.06 = 206,964.50/x
  3. Step 3: Cross multiply
    606,291.52x = 909,187.06 × 206,964.50
  4. Step 4: Simplify right side
    606,291.52x = 188,169,445,279.37
  5. Step 5: Solve for x
    x = 188,169,445,279.37/606,291.52
  6. Step 6: Final answer
    x = 310,361.33

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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.