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Finding the Fourth Proportional to 275,347.06, 413,025.12 and 75,666.19

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Solution

The fourth proportional to 275,347.06, 413,025.12 and 75,666.19 is: 113,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,347.06 : 413,025.12 = 75,666.19 : x
  2. Step 2: Convert to fraction form
    275,347.06/413,025.12 = 75,666.19/x
  3. Step 3: Cross multiply
    275,347.06x = 413,025.12 × 75,666.19
  4. Step 4: Simplify right side
    275,347.06x = 31,252,037,204.69
  5. Step 5: Solve for x
    x = 31,252,037,204.69/275,347.06
  6. Step 6: Final answer
    x = 113,500.53

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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.