Home / 476,170.12-657,122.79-261,330.16

Finding the Fourth Proportional to 476,170.12, 657,122.79 and 261,330.16

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Solution

The fourth proportional to 476,170.12, 657,122.79 and 261,330.16 is: 360,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,170.12 : 657,122.79 = 261,330.16 : x
  2. Step 2: Convert to fraction form
    476,170.12/657,122.79 = 261,330.16/x
  3. Step 3: Cross multiply
    476,170.12x = 657,122.79 × 261,330.16
  4. Step 4: Simplify right side
    476,170.12x = 171,726,003,850.35
  5. Step 5: Solve for x
    x = 171,726,003,850.35/476,170.12
  6. Step 6: Final answer
    x = 360,640.02

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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.