Home / 313,043.24-431,996.60-169,801.22

Finding the Fourth Proportional to 313,043.24, 431,996.60 and 169,801.22

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Solution

The fourth proportional to 313,043.24, 431,996.60 and 169,801.22 is: 234,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,043.24 : 431,996.60 = 169,801.22 : x
  2. Step 2: Convert to fraction form
    313,043.24/431,996.60 = 169,801.22/x
  3. Step 3: Cross multiply
    313,043.24x = 431,996.60 × 169,801.22
  4. Step 4: Simplify right side
    313,043.24x = 73,353,549,715.85
  5. Step 5: Solve for x
    x = 73,353,549,715.85/313,043.24
  6. Step 6: Final answer
    x = 234,324.02

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1.5x scale

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.