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Finding the Fourth Proportional to 365,623.16, 548,379.14 and 140,950.82

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Solution

The fourth proportional to 365,623.16, 548,379.14 and 140,950.82 is: 211,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,623.16 : 548,379.14 = 140,950.82 : x
  2. Step 2: Convert to fraction form
    365,623.16/548,379.14 = 140,950.82/x
  3. Step 3: Cross multiply
    365,623.16x = 548,379.14 × 140,950.82
  4. Step 4: Simplify right side
    365,623.16x = 77,294,489,453.89
  5. Step 5: Solve for x
    x = 77,294,489,453.89/365,623.16
  6. Step 6: Final answer
    x = 211,404.80

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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.