Home / 638,381.48-957,277.82-188,941.64

Finding the Fourth Proportional to 638,381.48, 957,277.82 and 188,941.64

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Solution

The fourth proportional to 638,381.48, 957,277.82 and 188,941.64 is: 283,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,381.48 : 957,277.82 = 188,941.64 : x
  2. Step 2: Convert to fraction form
    638,381.48/957,277.82 = 188,941.64/x
  3. Step 3: Cross multiply
    638,381.48x = 957,277.82 × 188,941.64
  4. Step 4: Simplify right side
    638,381.48x = 180,869,641,246.43
  5. Step 5: Solve for x
    x = 180,869,641,246.43/638,381.48
  6. Step 6: Final answer
    x = 283,325.33

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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.