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Finding the Fourth Proportional to 170,283.62, 255,425.49 and 70,333.97

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Solution

The fourth proportional to 170,283.62, 255,425.49 and 70,333.97 is: 105,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,283.62 : 255,425.49 = 70,333.97 : x
  2. Step 2: Convert to fraction form
    170,283.62/255,425.49 = 70,333.97/x
  3. Step 3: Cross multiply
    170,283.62x = 255,425.49 × 70,333.97
  4. Step 4: Simplify right side
    170,283.62x = 17,965,087,473.77
  5. Step 5: Solve for x
    x = 17,965,087,473.77/170,283.62
  6. Step 6: Final answer
    x = 105,500.98

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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.