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Finding the Fourth Proportional to 353,426.55, 488,022.93 and 327,783.57

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Solution

The fourth proportional to 353,426.55, 488,022.93 and 327,783.57 is: 452,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,426.55 : 488,022.93 = 327,783.57 : x
  2. Step 2: Convert to fraction form
    353,426.55/488,022.93 = 327,783.57/x
  3. Step 3: Cross multiply
    353,426.55x = 488,022.93 × 327,783.57
  4. Step 4: Simplify right side
    353,426.55x = 159,965,898,237.26
  5. Step 5: Solve for x
    x = 159,965,898,237.26/353,426.55
  6. Step 6: Final answer
    x = 452,614.27

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