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Finding the Fourth Proportional to 202,544.92, 303,613.98 and 69,334.12

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Solution

The fourth proportional to 202,544.92, 303,613.98 and 69,334.12 is: 103,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,544.92 : 303,613.98 = 69,334.12 : x
  2. Step 2: Convert to fraction form
    202,544.92/303,613.98 = 69,334.12/x
  3. Step 3: Cross multiply
    202,544.92x = 303,613.98 × 69,334.12
  4. Step 4: Simplify right side
    202,544.92x = 21,050,808,123.00
  5. Step 5: Solve for x
    x = 21,050,808,123.00/202,544.92
  6. Step 6: Final answer
    x = 103,931.55

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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.