Home / 313,212.34-432,233.02-169,972.39

Finding the Fourth Proportional to 313,212.34, 432,233.02 and 169,972.39

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Solution

The fourth proportional to 313,212.34, 432,233.02 and 169,972.39 is: 234,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,212.34 : 432,233.02 = 169,972.39 : x
  2. Step 2: Convert to fraction form
    313,212.34/432,233.02 = 169,972.39/x
  3. Step 3: Cross multiply
    313,212.34x = 432,233.02 × 169,972.39
  4. Step 4: Simplify right side
    313,212.34x = 73,467,676,435.29
  5. Step 5: Solve for x
    x = 73,467,676,435.29/313,212.34
  6. Step 6: Final answer
    x = 234,561.88

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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.