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Finding the Fourth Proportional to 313,270.22, 432,308.04 and 170,029.04

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Solution

The fourth proportional to 313,270.22, 432,308.04 and 170,029.04 is: 234,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,270.22 : 432,308.04 = 170,029.04 : x
  2. Step 2: Convert to fraction form
    313,270.22/432,308.04 = 170,029.04/x
  3. Step 3: Cross multiply
    313,270.22x = 432,308.04 × 170,029.04
  4. Step 4: Simplify right side
    313,270.22x = 73,504,921,025.48
  5. Step 5: Solve for x
    x = 73,504,921,025.48/313,270.22
  6. Step 6: Final answer
    x = 234,637.44

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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.