Home / 259,722.96-358,423.28-143,436.07

Finding the Fourth Proportional to 259,722.96, 358,423.28 and 143,436.07

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Solution

The fourth proportional to 259,722.96, 358,423.28 and 143,436.07 is: 197,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,722.96 : 358,423.28 = 143,436.07 : x
  2. Step 2: Convert to fraction form
    259,722.96/358,423.28 = 143,436.07/x
  3. Step 3: Cross multiply
    259,722.96x = 358,423.28 × 143,436.07
  4. Step 4: Simplify right side
    259,722.96x = 51,410,824,932.31
  5. Step 5: Solve for x
    x = 51,410,824,932.31/259,722.96
  6. Step 6: Final answer
    x = 197,944.86

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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.