Home / 340,531.08-469,891.74-195,329.34

Finding the Fourth Proportional to 340,531.08, 469,891.74 and 195,329.34

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Solution

The fourth proportional to 340,531.08, 469,891.74 and 195,329.34 is: 269,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,531.08 : 469,891.74 = 195,329.34 : x
  2. Step 2: Convert to fraction form
    340,531.08/469,891.74 = 195,329.34/x
  3. Step 3: Cross multiply
    340,531.08x = 469,891.74 × 195,329.34
  4. Step 4: Simplify right side
    340,531.08x = 91,783,643,445.65
  5. Step 5: Solve for x
    x = 91,783,643,445.65/340,531.08
  6. Step 6: Final answer
    x = 269,530.89

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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.