Home / 358,106.40-494,162.64-205,145.19

Finding the Fourth Proportional to 358,106.40, 494,162.64 and 205,145.19

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Solution

The fourth proportional to 358,106.40, 494,162.64 and 205,145.19 is: 283,086.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,106.40 : 494,162.64 = 205,145.19 : x
  2. Step 2: Convert to fraction form
    358,106.40/494,162.64 = 205,145.19/x
  3. Step 3: Cross multiply
    358,106.40x = 494,162.64 × 205,145.19
  4. Step 4: Simplify right side
    358,106.40x = 101,375,088,673.70
  5. Step 5: Solve for x
    x = 101,375,088,673.70/358,106.40
  6. Step 6: Final answer
    x = 283,086.50

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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.