Home / 278,496.42-384,333.66-163,754.34

Finding the Fourth Proportional to 278,496.42, 384,333.66 and 163,754.34

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Solution

The fourth proportional to 278,496.42, 384,333.66 and 163,754.34 is: 225,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,496.42 : 384,333.66 = 163,754.34 : x
  2. Step 2: Convert to fraction form
    278,496.42/384,333.66 = 163,754.34/x
  3. Step 3: Cross multiply
    278,496.42x = 384,333.66 × 163,754.34
  4. Step 4: Simplify right side
    278,496.42x = 62,936,304,833.08
  5. Step 5: Solve for x
    x = 62,936,304,833.08/278,496.42
  6. Step 6: Final answer
    x = 225,986.05

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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.