Home / 638,579.26-957,868.86-165,263.23

Finding the Fourth Proportional to 638,579.26, 957,868.86 and 165,263.23

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Solution

The fourth proportional to 638,579.26, 957,868.86 and 165,263.23 is: 247,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,579.26 : 957,868.86 = 165,263.23 : x
  2. Step 2: Convert to fraction form
    638,579.26/957,868.86 = 165,263.23/x
  3. Step 3: Cross multiply
    638,579.26x = 957,868.86 × 165,263.23
  4. Step 4: Simplify right side
    638,579.26x = 158,300,501,720.02
  5. Step 5: Solve for x
    x = 158,300,501,720.02/638,579.26
  6. Step 6: Final answer
    x = 247,894.84

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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.