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Finding the Fourth Proportional to 365,773.86, 548,605.35 and 99,555.12

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Solution

The fourth proportional to 365,773.86, 548,605.35 and 99,555.12 is: 149,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,773.86 : 548,605.35 = 99,555.12 : x
  2. Step 2: Convert to fraction form
    365,773.86/548,605.35 = 99,555.12/x
  3. Step 3: Cross multiply
    365,773.86x = 548,605.35 × 99,555.12
  4. Step 4: Simplify right side
    365,773.86x = 54,616,471,451.89
  5. Step 5: Solve for x
    x = 54,616,471,451.89/365,773.86
  6. Step 6: Final answer
    x = 149,317.59

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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.