Home / 258,524.77-356,618.48-155,132.22

Finding the Fourth Proportional to 258,524.77, 356,618.48 and 155,132.22

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Solution

The fourth proportional to 258,524.77, 356,618.48 and 155,132.22 is: 213,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,524.77 : 356,618.48 = 155,132.22 : x
  2. Step 2: Convert to fraction form
    258,524.77/356,618.48 = 155,132.22/x
  3. Step 3: Cross multiply
    258,524.77x = 356,618.48 × 155,132.22
  4. Step 4: Simplify right side
    258,524.77x = 55,323,015,442.43
  5. Step 5: Solve for x
    x = 55,323,015,442.43/258,524.77
  6. Step 6: Final answer
    x = 213,995.03

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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.