Home / 209,827.82-314,790.89-83,475.24

Finding the Fourth Proportional to 209,827.82, 314,790.89 and 83,475.24

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Solution

The fourth proportional to 209,827.82, 314,790.89 and 83,475.24 is: 125,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,827.82 : 314,790.89 = 83,475.24 : x
  2. Step 2: Convert to fraction form
    209,827.82/314,790.89 = 83,475.24/x
  3. Step 3: Cross multiply
    209,827.82x = 314,790.89 × 83,475.24
  4. Step 4: Simplify right side
    209,827.82x = 26,277,244,675.19
  5. Step 5: Solve for x
    x = 26,277,244,675.19/209,827.82
  6. Step 6: Final answer
    x = 125,232.42

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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.