Home / 638,328.29-957,525.24-165,017.75

Finding the Fourth Proportional to 638,328.29, 957,525.24 and 165,017.75

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Solution

The fourth proportional to 638,328.29, 957,525.24 and 165,017.75 is: 247,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,328.29 : 957,525.24 = 165,017.75 : x
  2. Step 2: Convert to fraction form
    638,328.29/957,525.24 = 165,017.75/x
  3. Step 3: Cross multiply
    638,328.29x = 957,525.24 × 165,017.75
  4. Step 4: Simplify right side
    638,328.29x = 158,008,660,673.01
  5. Step 5: Solve for x
    x = 158,008,660,673.01/638,328.29
  6. Step 6: Final answer
    x = 247,535.11

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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.