Home / 283,399.02-391,091.13-156,074.94

Finding the Fourth Proportional to 283,399.02, 391,091.13 and 156,074.94

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Solution

The fourth proportional to 283,399.02, 391,091.13 and 156,074.94 is: 215,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,399.02 : 391,091.13 = 156,074.94 : x
  2. Step 2: Convert to fraction form
    283,399.02/391,091.13 = 156,074.94/x
  3. Step 3: Cross multiply
    283,399.02x = 391,091.13 × 156,074.94
  4. Step 4: Simplify right side
    283,399.02x = 61,039,524,649.28
  5. Step 5: Solve for x
    x = 61,039,524,649.28/283,399.02
  6. Step 6: Final answer
    x = 215,383.68

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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.