Home / 485,238.42-727,364.53-201,083.56

Finding the Fourth Proportional to 485,238.42, 727,364.53 and 201,083.56

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Solution

The fourth proportional to 485,238.42, 727,364.53 and 201,083.56 is: 301,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,238.42 : 727,364.53 = 201,083.56 : x
  2. Step 2: Convert to fraction form
    485,238.42/727,364.53 = 201,083.56/x
  3. Step 3: Cross multiply
    485,238.42x = 727,364.53 × 201,083.56
  4. Step 4: Simplify right side
    485,238.42x = 146,261,052,200.04
  5. Step 5: Solve for x
    x = 146,261,052,200.04/485,238.42
  6. Step 6: Final answer
    x = 301,421.00

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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.