Home / 309,271.05-426,786.82-181,954.84

Finding the Fourth Proportional to 309,271.05, 426,786.82 and 181,954.84

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Solution

The fourth proportional to 309,271.05, 426,786.82 and 181,954.84 is: 251,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,271.05 : 426,786.82 = 181,954.84 : x
  2. Step 2: Convert to fraction form
    309,271.05/426,786.82 = 181,954.84/x
  3. Step 3: Cross multiply
    309,271.05x = 426,786.82 × 181,954.84
  4. Step 4: Simplify right side
    309,271.05x = 77,655,927,547.21
  5. Step 5: Solve for x
    x = 77,655,927,547.21/309,271.05
  6. Step 6: Final answer
    x = 251,093.43

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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.