Home / 233,283.18-321,850.35-131,287.98

Finding the Fourth Proportional to 233,283.18, 321,850.35 and 131,287.98

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Solution

The fourth proportional to 233,283.18, 321,850.35 and 131,287.98 is: 181,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,283.18 : 321,850.35 = 131,287.98 : x
  2. Step 2: Convert to fraction form
    233,283.18/321,850.35 = 131,287.98/x
  3. Step 3: Cross multiply
    233,283.18x = 321,850.35 × 131,287.98
  4. Step 4: Simplify right side
    233,283.18x = 42,255,082,313.79
  5. Step 5: Solve for x
    x = 42,255,082,313.79/233,283.18
  6. Step 6: Final answer
    x = 181,132.14

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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.