Home / 337,128.07-505,765.96-126,766.01

Finding the Fourth Proportional to 337,128.07, 505,765.96 and 126,766.01

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Solution

The fourth proportional to 337,128.07, 505,765.96 and 126,766.01 is: 190,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,128.07 : 505,765.96 = 126,766.01 : x
  2. Step 2: Convert to fraction form
    337,128.07/505,765.96 = 126,766.01/x
  3. Step 3: Cross multiply
    337,128.07x = 505,765.96 × 126,766.01
  4. Step 4: Simplify right side
    337,128.07x = 64,113,929,897.27
  5. Step 5: Solve for x
    x = 64,113,929,897.27/337,128.07
  6. Step 6: Final answer
    x = 190,176.78

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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.