Home / 481,128.64-663,953.40-266,263.24

Finding the Fourth Proportional to 481,128.64, 663,953.40 and 266,263.24

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Solution

The fourth proportional to 481,128.64, 663,953.40 and 266,263.24 is: 367,440.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,128.64 : 663,953.40 = 266,263.24 : x
  2. Step 2: Convert to fraction form
    481,128.64/663,953.40 = 266,263.24/x
  3. Step 3: Cross multiply
    481,128.64x = 663,953.40 × 266,263.24
  4. Step 4: Simplify right side
    481,128.64x = 176,786,383,493.02
  5. Step 5: Solve for x
    x = 176,786,383,493.02/481,128.64
  6. Step 6: Final answer
    x = 367,440.99

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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.