Home / 283,865.76-425,316.60-171,309.45

Finding the Fourth Proportional to 283,865.76, 425,316.60 and 171,309.45

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Solution

The fourth proportional to 283,865.76, 425,316.60 and 171,309.45 is: 256,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,865.76 : 425,316.60 = 171,309.45 : x
  2. Step 2: Convert to fraction form
    283,865.76/425,316.60 = 171,309.45/x
  3. Step 3: Cross multiply
    283,865.76x = 425,316.60 × 171,309.45
  4. Step 4: Simplify right side
    283,865.76x = 72,860,752,821.87
  5. Step 5: Solve for x
    x = 72,860,752,821.87/283,865.76
  6. Step 6: Final answer
    x = 256,673.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.