Home / 481,411.15-664,384.78-266,571.20

Finding the Fourth Proportional to 481,411.15, 664,384.78 and 266,571.20

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Solution

The fourth proportional to 481,411.15, 664,384.78 and 266,571.20 is: 367,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,411.15 : 664,384.78 = 266,571.20 : x
  2. Step 2: Convert to fraction form
    481,411.15/664,384.78 = 266,571.20/x
  3. Step 3: Cross multiply
    481,411.15x = 664,384.78 × 266,571.20
  4. Step 4: Simplify right side
    481,411.15x = 177,105,850,060.51
  5. Step 5: Solve for x
    x = 177,105,850,060.51/481,411.15
  6. Step 6: Final answer
    x = 367,888.97

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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.