Home / 638,410.90-957,538.32-165,056.62

Finding the Fourth Proportional to 638,410.90, 957,538.32 and 165,056.62

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Solution

The fourth proportional to 638,410.90, 957,538.32 and 165,056.62 is: 247,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,410.90 : 957,538.32 = 165,056.62 : x
  2. Step 2: Convert to fraction form
    638,410.90/957,538.32 = 165,056.62/x
  3. Step 3: Cross multiply
    638,410.90x = 957,538.32 × 165,056.62
  4. Step 4: Simplify right side
    638,410.90x = 158,048,038,619.68
  5. Step 5: Solve for x
    x = 158,048,038,619.68/638,410.90
  6. Step 6: Final answer
    x = 247,564.76

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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.