Home / 208,846.20-312,923.70-177,742.20

Finding the Fourth Proportional to 208,846.20, 312,923.70 and 177,742.20

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Solution

The fourth proportional to 208,846.20, 312,923.70 and 177,742.20 is: 266,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846.20 : 312,923.70 = 177,742.20 : x
  2. Step 2: Convert to fraction form
    208,846.20/312,923.70 = 177,742.20/x
  3. Step 3: Cross multiply
    208,846.20x = 312,923.70 × 177,742.20
  4. Step 4: Simplify right side
    208,846.20x = 55,619,746,870.14
  5. Step 5: Solve for x
    x = 55,619,746,870.14/208,846.20
  6. Step 6: Final answer
    x = 266,319.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.