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Finding the Fourth Proportional to 484,810.96, 669,037.44 and 269,953.60

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Solution

The fourth proportional to 484,810.96, 669,037.44 and 269,953.60 is: 372,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,810.96 : 669,037.44 = 269,953.60 : x
  2. Step 2: Convert to fraction form
    484,810.96/669,037.44 = 269,953.60/x
  3. Step 3: Cross multiply
    484,810.96x = 669,037.44 × 269,953.60
  4. Step 4: Simplify right side
    484,810.96x = 180,609,065,462.78
  5. Step 5: Solve for x
    x = 180,609,065,462.78/484,810.96
  6. Step 6: Final answer
    x = 372,535.03

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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.