Home / 209,828.82-314,792.39-83,476.24

Finding the Fourth Proportional to 209,828.82, 314,792.39 and 83,476.24

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Solution

The fourth proportional to 209,828.82, 314,792.39 and 83,476.24 is: 125,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.82 : 314,792.39 = 83,476.24 : x
  2. Step 2: Convert to fraction form
    209,828.82/314,792.39 = 83,476.24/x
  3. Step 3: Cross multiply
    209,828.82x = 314,792.39 × 83,476.24
  4. Step 4: Simplify right side
    209,828.82x = 26,277,685,097.81
  5. Step 5: Solve for x
    x = 26,277,685,097.81/209,828.82
  6. Step 6: Final answer
    x = 125,233.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.