Home / 233,282.68-321,849.66-131,287.48

Finding the Fourth Proportional to 233,282.68, 321,849.66 and 131,287.48

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Solution

The fourth proportional to 233,282.68, 321,849.66 and 131,287.48 is: 181,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,282.68 : 321,849.66 = 131,287.48 : x
  2. Step 2: Convert to fraction form
    233,282.68/321,849.66 = 131,287.48/x
  3. Step 3: Cross multiply
    233,282.68x = 321,849.66 × 131,287.48
  4. Step 4: Simplify right side
    233,282.68x = 42,254,830,800.26
  5. Step 5: Solve for x
    x = 42,254,830,800.26/233,282.68
  6. Step 6: Final answer
    x = 181,131.45

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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.