Home / 340,399.26-469,565.91-213,047.82

Finding the Fourth Proportional to 340,399.26, 469,565.91 and 213,047.82

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Solution

The fourth proportional to 340,399.26, 469,565.91 and 213,047.82 is: 293,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,399.26 : 469,565.91 = 213,047.82 : x
  2. Step 2: Convert to fraction form
    340,399.26/469,565.91 = 213,047.82/x
  3. Step 3: Cross multiply
    340,399.26x = 469,565.91 × 213,047.82
  4. Step 4: Simplify right side
    340,399.26x = 100,039,993,471.82
  5. Step 5: Solve for x
    x = 100,039,993,471.82/340,399.26
  6. Step 6: Final answer
    x = 293,890.16

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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.