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Finding the Fourth Proportional to 638,351.16, 957,559.54 and 165,040.62

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Solution

The fourth proportional to 638,351.16, 957,559.54 and 165,040.62 is: 247,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,351.16 : 957,559.54 = 165,040.62 : x
  2. Step 2: Convert to fraction form
    638,351.16/957,559.54 = 165,040.62/x
  3. Step 3: Cross multiply
    638,351.16x = 957,559.54 × 165,040.62
  4. Step 4: Simplify right side
    638,351.16x = 158,036,220,168.52
  5. Step 5: Solve for x
    x = 158,036,220,168.52/638,351.16
  6. Step 6: Final answer
    x = 247,569.41

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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.