Home / 258,427.02-356,699.82-167,778.30

Finding the Fourth Proportional to 258,427.02, 356,699.82 and 167,778.30

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Solution

The fourth proportional to 258,427.02, 356,699.82 and 167,778.30 is: 231,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,427.02 : 356,699.82 = 167,778.30 : x
  2. Step 2: Convert to fraction form
    258,427.02/356,699.82 = 167,778.30/x
  3. Step 3: Cross multiply
    258,427.02x = 356,699.82 × 167,778.30
  4. Step 4: Simplify right side
    258,427.02x = 59,846,489,409.91
  5. Step 5: Solve for x
    x = 59,846,489,409.91/258,427.02
  6. Step 6: Final answer
    x = 231,579.85

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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.