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Finding the Fourth Proportional to 363,146.56, 501,066.48 and 219,916.96

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Solution

The fourth proportional to 363,146.56, 501,066.48 and 219,916.96 is: 303,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,146.56 : 501,066.48 = 219,916.96 : x
  2. Step 2: Convert to fraction form
    363,146.56/501,066.48 = 219,916.96/x
  3. Step 3: Cross multiply
    363,146.56x = 501,066.48 × 219,916.96
  4. Step 4: Simplify right side
    363,146.56x = 110,193,017,039.50
  5. Step 5: Solve for x
    x = 110,193,017,039.50/363,146.56
  6. Step 6: Final answer
    x = 303,439.52

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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.