Home / 476,134.52-657,065.25-261,288.09

Finding the Fourth Proportional to 476,134.52, 657,065.25 and 261,288.09

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Solution

The fourth proportional to 476,134.52, 657,065.25 and 261,288.09 is: 360,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,134.52 : 657,065.25 = 261,288.09 : x
  2. Step 2: Convert to fraction form
    476,134.52/657,065.25 = 261,288.09/x
  3. Step 3: Cross multiply
    476,134.52x = 657,065.25 × 261,288.09
  4. Step 4: Simplify right side
    476,134.52x = 171,683,324,177.87
  5. Step 5: Solve for x
    x = 171,683,324,177.87/476,134.52
  6. Step 6: Final answer
    x = 360,577.36

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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.