Home / 258,392.07-356,610.62-143,682.15

Finding the Fourth Proportional to 258,392.07, 356,610.62 and 143,682.15

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Solution

The fourth proportional to 258,392.07, 356,610.62 and 143,682.15 is: 198,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,392.07 : 356,610.62 = 143,682.15 : x
  2. Step 2: Convert to fraction form
    258,392.07/356,610.62 = 143,682.15/x
  3. Step 3: Cross multiply
    258,392.07x = 356,610.62 × 143,682.15
  4. Step 4: Simplify right side
    258,392.07x = 51,238,579,876.02
  5. Step 5: Solve for x
    x = 51,238,579,876.02/258,392.07
  6. Step 6: Final answer
    x = 198,297.80

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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.