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Finding the Fourth Proportional to 488,188.66, 673,728.11 and 273,326.84

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Solution

The fourth proportional to 488,188.66, 673,728.11 and 273,326.84 is: 377,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,188.66 : 673,728.11 = 273,326.84 : x
  2. Step 2: Convert to fraction form
    488,188.66/673,728.11 = 273,326.84/x
  3. Step 3: Cross multiply
    488,188.66x = 673,728.11 × 273,326.84
  4. Step 4: Simplify right side
    488,188.66x = 184,147,973,958.84
  5. Step 5: Solve for x
    x = 184,147,973,958.84/488,188.66
  6. Step 6: Final answer
    x = 377,206.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.