Home / 304,109.26-419,660.18-166,291.40

Finding the Fourth Proportional to 304,109.26, 419,660.18 and 166,291.40

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Solution

The fourth proportional to 304,109.26, 419,660.18 and 166,291.40 is: 229,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,109.26 : 419,660.18 = 166,291.40 : x
  2. Step 2: Convert to fraction form
    304,109.26/419,660.18 = 166,291.40/x
  3. Step 3: Cross multiply
    304,109.26x = 419,660.18 × 166,291.40
  4. Step 4: Simplify right side
    304,109.26x = 69,785,878,856.45
  5. Step 5: Solve for x
    x = 69,785,878,856.45/304,109.26
  6. Step 6: Final answer
    x = 229,476.34

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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.