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Finding the Fourth Proportional to 606,287.03, 909,180.32 and 206,960.00

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Solution

The fourth proportional to 606,287.03, 909,180.32 and 206,960.00 is: 310,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,287.03 : 909,180.32 = 206,960.00 : x
  2. Step 2: Convert to fraction form
    606,287.03/909,180.32 = 206,960.00/x
  3. Step 3: Cross multiply
    606,287.03x = 909,180.32 × 206,960.00
  4. Step 4: Simplify right side
    606,287.03x = 188,163,953,446.50
  5. Step 5: Solve for x
    x = 188,163,953,446.50/606,287.03
  6. Step 6: Final answer
    x = 310,354.58

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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.