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Finding the Fourth Proportional to 243,516.78, 365,295.02 and 75,037.19

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Solution

The fourth proportional to 243,516.78, 365,295.02 and 75,037.19 is: 112,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,516.78 : 365,295.02 = 75,037.19 : x
  2. Step 2: Convert to fraction form
    243,516.78/365,295.02 = 75,037.19/x
  3. Step 3: Cross multiply
    243,516.78x = 365,295.02 × 75,037.19
  4. Step 4: Simplify right side
    243,516.78x = 27,410,709,620.13
  5. Step 5: Solve for x
    x = 27,410,709,620.13/243,516.78
  6. Step 6: Final answer
    x = 112,561.89

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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.