Home / 358,160.11-494,297.16-205,218.58

Finding the Fourth Proportional to 358,160.11, 494,297.16 and 205,218.58

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Solution

The fourth proportional to 358,160.11, 494,297.16 and 205,218.58 is: 283,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,160.11 : 494,297.16 = 205,218.58 : x
  2. Step 2: Convert to fraction form
    358,160.11/494,297.16 = 205,218.58/x
  3. Step 3: Cross multiply
    358,160.11x = 494,297.16 × 205,218.58
  4. Step 4: Simplify right side
    358,160.11x = 101,438,961,273.23
  5. Step 5: Solve for x
    x = 101,438,961,273.23/358,160.11
  6. Step 6: Final answer
    x = 283,222.39

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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.