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Finding the Fourth Proportional to 446,610.33, 670,007.84 and 147,109.19

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Solution

The fourth proportional to 446,610.33, 670,007.84 and 147,109.19 is: 220,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,610.33 : 670,007.84 = 147,109.19 : x
  2. Step 2: Convert to fraction form
    446,610.33/670,007.84 = 147,109.19/x
  3. Step 3: Cross multiply
    446,610.33x = 670,007.84 × 147,109.19
  4. Step 4: Simplify right side
    446,610.33x = 98,564,306,550.46
  5. Step 5: Solve for x
    x = 98,564,306,550.46/446,610.33
  6. Step 6: Final answer
    x = 220,694.19

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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.