Home / 476,170.48-657,134.20-261,318.30

Finding the Fourth Proportional to 476,170.48, 657,134.20 and 261,318.30

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Solution

The fourth proportional to 476,170.48, 657,134.20 and 261,318.30 is: 360,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,170.48 : 657,134.20 = 261,318.30 : x
  2. Step 2: Convert to fraction form
    476,170.48/657,134.20 = 261,318.30/x
  3. Step 3: Cross multiply
    476,170.48x = 657,134.20 × 261,318.30
  4. Step 4: Simplify right side
    476,170.48x = 171,721,192,015.86
  5. Step 5: Solve for x
    x = 171,721,192,015.86/476,170.48
  6. Step 6: Final answer
    x = 360,629.65

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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.