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Finding the Fourth Proportional to 201,810.80, 302,703.96 and 89,458.04

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Solution

The fourth proportional to 201,810.80, 302,703.96 and 89,458.04 is: 134,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,810.80 : 302,703.96 = 89,458.04 : x
  2. Step 2: Convert to fraction form
    201,810.80/302,703.96 = 89,458.04/x
  3. Step 3: Cross multiply
    201,810.80x = 302,703.96 × 89,458.04
  4. Step 4: Simplify right side
    201,810.80x = 27,079,302,961.84
  5. Step 5: Solve for x
    x = 27,079,302,961.84/201,810.80
  6. Step 6: Final answer
    x = 134,181.63

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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.