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Finding the Fourth Proportional to 313,204.92, 432,223.92 and 169,964.93

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Solution

The fourth proportional to 313,204.92, 432,223.92 and 169,964.93 is: 234,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,204.92 : 432,223.92 = 169,964.93 : x
  2. Step 2: Convert to fraction form
    313,204.92/432,223.92 = 169,964.93/x
  3. Step 3: Cross multiply
    313,204.92x = 432,223.92 × 169,964.93
  4. Step 4: Simplify right side
    313,204.92x = 73,462,906,146.01
  5. Step 5: Solve for x
    x = 73,462,906,146.01/313,204.92
  6. Step 6: Final answer
    x = 234,552.21

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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.