Home / 207,962.70-311,944.05-181,718.70

Finding the Fourth Proportional to 207,962.70, 311,944.05 and 181,718.70

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Solution

The fourth proportional to 207,962.70, 311,944.05 and 181,718.70 is: 272,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,962.70 : 311,944.05 = 181,718.70 : x
  2. Step 2: Convert to fraction form
    207,962.70/311,944.05 = 181,718.70/x
  3. Step 3: Cross multiply
    207,962.70x = 311,944.05 × 181,718.70
  4. Step 4: Simplify right side
    207,962.70x = 56,686,067,238.74
  5. Step 5: Solve for x
    x = 56,686,067,238.74/207,962.70
  6. Step 6: Final answer
    x = 272,578.05

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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.