Home / 476,142.96-657,076.92-272,198.40

Finding the Fourth Proportional to 476,142.96, 657,076.92 and 272,198.40

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Solution

The fourth proportional to 476,142.96, 657,076.92 and 272,198.40 is: 375,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,142.96 : 657,076.92 = 272,198.40 : x
  2. Step 2: Convert to fraction form
    476,142.96/657,076.92 = 272,198.40/x
  3. Step 3: Cross multiply
    476,142.96x = 657,076.92 × 272,198.40
  4. Step 4: Simplify right side
    476,142.96x = 178,855,286,300.93
  5. Step 5: Solve for x
    x = 178,855,286,300.93/476,142.96
  6. Step 6: Final answer
    x = 375,633.58

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1.5x scale

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.