Home / 247,049.07-340,928.63-143,708.06

Finding the Fourth Proportional to 247,049.07, 340,928.63 and 143,708.06

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Solution

The fourth proportional to 247,049.07, 340,928.63 and 143,708.06 is: 198,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,049.07 : 340,928.63 = 143,708.06 : x
  2. Step 2: Convert to fraction form
    247,049.07/340,928.63 = 143,708.06/x
  3. Step 3: Cross multiply
    247,049.07x = 340,928.63 × 143,708.06
  4. Step 4: Simplify right side
    247,049.07x = 48,994,192,015.76
  5. Step 5: Solve for x
    x = 48,994,192,015.76/247,049.07
  6. Step 6: Final answer
    x = 198,317.65

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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.