Home / 257,982.32-356,003.61-143,268.24

Finding the Fourth Proportional to 257,982.32, 356,003.61 and 143,268.24

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Solution

The fourth proportional to 257,982.32, 356,003.61 and 143,268.24 is: 197,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,982.32 : 356,003.61 = 143,268.24 : x
  2. Step 2: Convert to fraction form
    257,982.32/356,003.61 = 143,268.24/x
  3. Step 3: Cross multiply
    257,982.32x = 356,003.61 × 143,268.24
  4. Step 4: Simplify right side
    257,982.32x = 51,004,010,638.35
  5. Step 5: Solve for x
    x = 51,004,010,638.35/257,982.32
  6. Step 6: Final answer
    x = 197,703.52

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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.