Home / 233,283.17-321,940.99-131,315.21

Finding the Fourth Proportional to 233,283.17, 321,940.99 and 131,315.21

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Solution

The fourth proportional to 233,283.17, 321,940.99 and 131,315.21 is: 181,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,283.17 : 321,940.99 = 131,315.21 : x
  2. Step 2: Convert to fraction form
    233,283.17/321,940.99 = 131,315.21/x
  3. Step 3: Cross multiply
    233,283.17x = 321,940.99 × 131,315.21
  4. Step 4: Simplify right side
    233,283.17x = 42,275,748,052.88
  5. Step 5: Solve for x
    x = 42,275,748,052.88/233,283.17
  6. Step 6: Final answer
    x = 181,220.74

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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.