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Finding the Fourth Proportional to 620,645.92, 930,967.48 and 165,237.28

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Solution

The fourth proportional to 620,645.92, 930,967.48 and 165,237.28 is: 247,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,645.92 : 930,967.48 = 165,237.28 : x
  2. Step 2: Convert to fraction form
    620,645.92/930,967.48 = 165,237.28/x
  3. Step 3: Cross multiply
    620,645.92x = 930,967.48 × 165,237.28
  4. Step 4: Simplify right side
    620,645.92x = 153,830,534,163.65
  5. Step 5: Solve for x
    x = 153,830,534,163.65/620,645.92
  6. Step 6: Final answer
    x = 247,855.55

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Similar ratio
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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.