Home / 283,721.94-391,571.75-162,901.10

Finding the Fourth Proportional to 283,721.94, 391,571.75 and 162,901.10

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Solution

The fourth proportional to 283,721.94, 391,571.75 and 162,901.10 is: 224,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,721.94 : 391,571.75 = 162,901.10 : x
  2. Step 2: Convert to fraction form
    283,721.94/391,571.75 = 162,901.10/x
  3. Step 3: Cross multiply
    283,721.94x = 391,571.75 × 162,901.10
  4. Step 4: Simplify right side
    283,721.94x = 63,787,468,803.93
  5. Step 5: Solve for x
    x = 63,787,468,803.93/283,721.94
  6. Step 6: Final answer
    x = 224,823.88

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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.