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Finding the Fourth Proportional to 315,607.24, 435,540.77 and 179,649.94

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Solution

The fourth proportional to 315,607.24, 435,540.77 and 179,649.94 is: 247,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,607.24 : 435,540.77 = 179,649.94 : x
  2. Step 2: Convert to fraction form
    315,607.24/435,540.77 = 179,649.94/x
  3. Step 3: Cross multiply
    315,607.24x = 435,540.77 × 179,649.94
  4. Step 4: Simplify right side
    315,607.24x = 78,244,874,431.50
  5. Step 5: Solve for x
    x = 78,244,874,431.50/315,607.24
  6. Step 6: Final answer
    x = 247,918.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.