Home / 476,982.68-715,029.32-161,218.76

Finding the Fourth Proportional to 476,982.68, 715,029.32 and 161,218.76

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Solution

The fourth proportional to 476,982.68, 715,029.32 and 161,218.76 is: 241,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,982.68 : 715,029.32 = 161,218.76 : x
  2. Step 2: Convert to fraction form
    476,982.68/715,029.32 = 161,218.76/x
  3. Step 3: Cross multiply
    476,982.68x = 715,029.32 × 161,218.76
  4. Step 4: Simplify right side
    476,982.68x = 115,276,137,161.94
  5. Step 5: Solve for x
    x = 115,276,137,161.94/476,982.68
  6. Step 6: Final answer
    x = 241,677.83

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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.