Home / 525,192.63-787,805.13-205,331.73

Finding the Fourth Proportional to 525,192.63, 787,805.13 and 205,331.73

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Solution

The fourth proportional to 525,192.63, 787,805.13 and 205,331.73 is: 308,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,192.63 : 787,805.13 = 205,331.73 : x
  2. Step 2: Convert to fraction form
    525,192.63/787,805.13 = 205,331.73/x
  3. Step 3: Cross multiply
    525,192.63x = 787,805.13 × 205,331.73
  4. Step 4: Simplify right side
    525,192.63x = 161,761,390,245.78
  5. Step 5: Solve for x
    x = 161,761,390,245.78/525,192.63
  6. Step 6: Final answer
    x = 308,003.92

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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.