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Finding the Fourth Proportional to 201,608.80, 302,401.04 and 89,256.16

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Solution

The fourth proportional to 201,608.80, 302,401.04 and 89,256.16 is: 133,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,608.80 : 302,401.04 = 89,256.16 : x
  2. Step 2: Convert to fraction form
    201,608.80/302,401.04 = 89,256.16/x
  3. Step 3: Cross multiply
    201,608.80x = 302,401.04 × 89,256.16
  4. Step 4: Simplify right side
    201,608.80x = 26,991,155,610.41
  5. Step 5: Solve for x
    x = 26,991,155,610.41/201,608.80
  6. Step 6: Final answer
    x = 133,878.86

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1.5x scale

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.