Home / 339,476.19-468,282.26-211,930.35

Finding the Fourth Proportional to 339,476.19, 468,282.26 and 211,930.35

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Solution

The fourth proportional to 339,476.19, 468,282.26 and 211,930.35 is: 292,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,476.19 : 468,282.26 = 211,930.35 : x
  2. Step 2: Convert to fraction form
    339,476.19/468,282.26 = 211,930.35/x
  3. Step 3: Cross multiply
    339,476.19x = 468,282.26 × 211,930.35
  4. Step 4: Simplify right side
    339,476.19x = 99,243,223,260.59
  5. Step 5: Solve for x
    x = 99,243,223,260.59/339,476.19
  6. Step 6: Final answer
    x = 292,342.22

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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.