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Finding the Fourth Proportional to 202,337.70, 303,506.55 and 97,131.30

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Solution

The fourth proportional to 202,337.70, 303,506.55 and 97,131.30 is: 145,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,337.70 : 303,506.55 = 97,131.30 : x
  2. Step 2: Convert to fraction form
    202,337.70/303,506.55 = 97,131.30/x
  3. Step 3: Cross multiply
    202,337.70x = 303,506.55 × 97,131.30
  4. Step 4: Simplify right side
    202,337.70x = 29,479,985,760.02
  5. Step 5: Solve for x
    x = 29,479,985,760.02/202,337.70
  6. Step 6: Final answer
    x = 145,696.95

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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.