Home / 258,282.22-356,429.14-143,557.24

Finding the Fourth Proportional to 258,282.22, 356,429.14 and 143,557.24

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Solution

The fourth proportional to 258,282.22, 356,429.14 and 143,557.24 is: 198,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,282.22 : 356,429.14 = 143,557.24 : x
  2. Step 2: Convert to fraction form
    258,282.22/356,429.14 = 143,557.24/x
  3. Step 3: Cross multiply
    258,282.22x = 356,429.14 × 143,557.24
  4. Step 4: Simplify right side
    258,282.22x = 51,167,985,224.30
  5. Step 5: Solve for x
    x = 51,167,985,224.30/258,282.22
  6. Step 6: Final answer
    x = 198,108.82

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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.