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Finding the Fourth Proportional to 365,553.23, 548,118.79 and 112,765.85

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Solution

The fourth proportional to 365,553.23, 548,118.79 and 112,765.85 is: 169,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,553.23 : 548,118.79 = 112,765.85 : x
  2. Step 2: Convert to fraction form
    365,553.23/548,118.79 = 112,765.85/x
  3. Step 3: Cross multiply
    365,553.23x = 548,118.79 × 112,765.85
  4. Step 4: Simplify right side
    365,553.23x = 61,809,077,950.90
  5. Step 5: Solve for x
    x = 61,809,077,950.90/365,553.23
  6. Step 6: Final answer
    x = 169,083.66

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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.