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Finding the Fourth Proportional to 363,776.30, 545,664.45 and 347,446.70

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Solution

The fourth proportional to 363,776.30, 545,664.45 and 347,446.70 is: 521,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,776.30 : 545,664.45 = 347,446.70 : x
  2. Step 2: Convert to fraction form
    363,776.30/545,664.45 = 347,446.70/x
  3. Step 3: Cross multiply
    363,776.30x = 545,664.45 × 347,446.70
  4. Step 4: Simplify right side
    363,776.30x = 189,589,312,459.82
  5. Step 5: Solve for x
    x = 189,589,312,459.82/363,776.30
  6. Step 6: Final answer
    x = 521,170.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.