Home / 330,011.16-494,179.42-276,562.60

Finding the Fourth Proportional to 330,011.16, 494,179.42 and 276,562.60

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Solution

The fourth proportional to 330,011.16, 494,179.42 and 276,562.60 is: 414,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,011.16 : 494,179.42 = 276,562.60 : x
  2. Step 2: Convert to fraction form
    330,011.16/494,179.42 = 276,562.60/x
  3. Step 3: Cross multiply
    330,011.16x = 494,179.42 × 276,562.60
  4. Step 4: Simplify right side
    330,011.16x = 136,671,545,261.69
  5. Step 5: Solve for x
    x = 136,671,545,261.69/330,011.16
  6. Step 6: Final answer
    x = 414,142.19

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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.