Home / 351,885.15-486,005.07-231,563.59

Finding the Fourth Proportional to 351,885.15, 486,005.07 and 231,563.59

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Solution

The fourth proportional to 351,885.15, 486,005.07 and 231,563.59 is: 319,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,885.15 : 486,005.07 = 231,563.59 : x
  2. Step 2: Convert to fraction form
    351,885.15/486,005.07 = 231,563.59/x
  3. Step 3: Cross multiply
    351,885.15x = 486,005.07 × 231,563.59
  4. Step 4: Simplify right side
    351,885.15x = 112,541,078,767.40
  5. Step 5: Solve for x
    x = 112,541,078,767.40/351,885.15
  6. Step 6: Final answer
    x = 319,823.33

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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.