Home / 476,142.48-657,074.82-261,286.14

Finding the Fourth Proportional to 476,142.48, 657,074.82 and 261,286.14

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Solution

The fourth proportional to 476,142.48, 657,074.82 and 261,286.14 is: 360,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,142.48 : 657,074.82 = 261,286.14 : x
  2. Step 2: Convert to fraction form
    476,142.48/657,074.82 = 261,286.14/x
  3. Step 3: Cross multiply
    476,142.48x = 657,074.82 × 261,286.14
  4. Step 4: Simplify right side
    476,142.48x = 171,684,543,409.00
  5. Step 5: Solve for x
    x = 171,684,543,409.00/476,142.48
  6. Step 6: Final answer
    x = 360,573.88

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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.