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Finding the Fourth Proportional to 620,550.33, 930,846.49 and 165,142.01

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Solution

The fourth proportional to 620,550.33, 930,846.49 and 165,142.01 is: 247,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,550.33 : 930,846.49 = 165,142.01 : x
  2. Step 2: Convert to fraction form
    620,550.33/930,846.49 = 165,142.01/x
  3. Step 3: Cross multiply
    620,550.33x = 930,846.49 × 165,142.01
  4. Step 4: Simplify right side
    620,550.33x = 153,721,858,783.63
  5. Step 5: Solve for x
    x = 153,721,858,783.63/620,550.33
  6. Step 6: Final answer
    x = 247,718.60

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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.