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Finding the Fourth Proportional to 453,861.87, 680,477.52 and 201,004.56

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Solution

The fourth proportional to 453,861.87, 680,477.52 and 201,004.56 is: 301,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,861.87 : 680,477.52 = 201,004.56 : x
  2. Step 2: Convert to fraction form
    453,861.87/680,477.52 = 201,004.56/x
  3. Step 3: Cross multiply
    453,861.87x = 680,477.52 × 201,004.56
  4. Step 4: Simplify right side
    453,861.87x = 136,779,084,497.49
  5. Step 5: Solve for x
    x = 136,779,084,497.49/453,861.87
  6. Step 6: Final answer
    x = 301,367.21

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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.