Home / 638,320.29-957,513.24-165,009.75

Finding the Fourth Proportional to 638,320.29, 957,513.24 and 165,009.75

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Solution

The fourth proportional to 638,320.29, 957,513.24 and 165,009.75 is: 247,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,320.29 : 957,513.24 = 165,009.75 : x
  2. Step 2: Convert to fraction form
    638,320.29/957,513.24 = 165,009.75/x
  3. Step 3: Cross multiply
    638,320.29x = 957,513.24 × 165,009.75
  4. Step 4: Simplify right side
    638,320.29x = 157,999,020,354.09
  5. Step 5: Solve for x
    x = 157,999,020,354.09/638,320.29
  6. Step 6: Final answer
    x = 247,523.11

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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.