Home / 282,278.62-422,864.32-163,700.84

Finding the Fourth Proportional to 282,278.62, 422,864.32 and 163,700.84

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Solution

The fourth proportional to 282,278.62, 422,864.32 and 163,700.84 is: 245,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,278.62 : 422,864.32 = 163,700.84 : x
  2. Step 2: Convert to fraction form
    282,278.62/422,864.32 = 163,700.84/x
  3. Step 3: Cross multiply
    282,278.62x = 422,864.32 × 163,700.84
  4. Step 4: Simplify right side
    282,278.62x = 69,223,244,390.03
  5. Step 5: Solve for x
    x = 69,223,244,390.03/282,278.62
  6. Step 6: Final answer
    x = 245,230.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.