Home / 283,778.51-391,207.44-223,244.05

Finding the Fourth Proportional to 283,778.51, 391,207.44 and 223,244.05

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Solution

The fourth proportional to 283,778.51, 391,207.44 and 223,244.05 is: 307,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,778.51 : 391,207.44 = 223,244.05 : x
  2. Step 2: Convert to fraction form
    283,778.51/391,207.44 = 223,244.05/x
  3. Step 3: Cross multiply
    283,778.51x = 391,207.44 × 223,244.05
  4. Step 4: Simplify right side
    283,778.51x = 87,334,732,632.64
  5. Step 5: Solve for x
    x = 87,334,732,632.64/283,778.51
  6. Step 6: Final answer
    x = 307,756.69

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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.