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Finding the Fourth Proportional to 203,225.26, 280,450.81 and 112,587.11

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Solution

The fourth proportional to 203,225.26, 280,450.81 and 112,587.11 is: 155,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,225.26 : 280,450.81 = 112,587.11 : x
  2. Step 2: Convert to fraction form
    203,225.26/280,450.81 = 112,587.11/x
  3. Step 3: Cross multiply
    203,225.26x = 280,450.81 × 112,587.11
  4. Step 4: Simplify right side
    203,225.26x = 31,575,146,195.06
  5. Step 5: Solve for x
    x = 31,575,146,195.06/203,225.26
  6. Step 6: Final answer
    x = 155,370.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.