Home / 293,415.48-405,115.02-198,055.80

Finding the Fourth Proportional to 293,415.48, 405,115.02 and 198,055.80

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Solution

The fourth proportional to 293,415.48, 405,115.02 and 198,055.80 is: 273,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,415.48 : 405,115.02 = 198,055.80 : x
  2. Step 2: Convert to fraction form
    293,415.48/405,115.02 = 198,055.80/x
  3. Step 3: Cross multiply
    293,415.48x = 405,115.02 × 198,055.80
  4. Step 4: Simplify right side
    293,415.48x = 80,235,379,378.12
  5. Step 5: Solve for x
    x = 80,235,379,378.12/293,415.48
  6. Step 6: Final answer
    x = 273,453.12

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1.5x scale

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.