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Finding the Fourth Proportional to 446,744.97, 670,200.48 and 147,246.57

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Solution

The fourth proportional to 446,744.97, 670,200.48 and 147,246.57 is: 220,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,744.97 : 670,200.48 = 147,246.57 : x
  2. Step 2: Convert to fraction form
    446,744.97/670,200.48 = 147,246.57/x
  3. Step 3: Cross multiply
    446,744.97x = 670,200.48 × 147,246.57
  4. Step 4: Simplify right side
    446,744.97x = 98,684,721,892.35
  5. Step 5: Solve for x
    x = 98,684,721,892.35/446,744.97
  6. Step 6: Final answer
    x = 220,897.22

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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.