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Finding the Fourth Proportional to 291,650.40, 437,475.60 and 104,637.60

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Solution

The fourth proportional to 291,650.40, 437,475.60 and 104,637.60 is: 156,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,650.40 : 437,475.60 = 104,637.60 : x
  2. Step 2: Convert to fraction form
    291,650.40/437,475.60 = 104,637.60/x
  3. Step 3: Cross multiply
    291,650.40x = 437,475.60 × 104,637.60
  4. Step 4: Simplify right side
    291,650.40x = 45,776,396,842.56
  5. Step 5: Solve for x
    x = 45,776,396,842.56/291,650.40
  6. Step 6: Final answer
    x = 156,956.40

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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.