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Finding the Fourth Proportional to 342,073.37, 512,892.70 and 300,037.85

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Solution

The fourth proportional to 342,073.37, 512,892.70 and 300,037.85 is: 449,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,073.37 : 512,892.70 = 300,037.85 : x
  2. Step 2: Convert to fraction form
    342,073.37/512,892.70 = 300,037.85/x
  3. Step 3: Cross multiply
    342,073.37x = 512,892.70 × 300,037.85
  4. Step 4: Simplify right side
    342,073.37x = 153,887,222,988.70
  5. Step 5: Solve for x
    x = 153,887,222,988.70/342,073.37
  6. Step 6: Final answer
    x = 449,866.13

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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.