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Finding the Fourth Proportional to 170,982.40, 256,166.40 and 146,406.40

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Solution

The fourth proportional to 170,982.40, 256,166.40 and 146,406.40 is: 219,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,982.40 : 256,166.40 = 146,406.40 : x
  2. Step 2: Convert to fraction form
    170,982.40/256,166.40 = 146,406.40/x
  3. Step 3: Cross multiply
    170,982.40x = 256,166.40 × 146,406.40
  4. Step 4: Simplify right side
    170,982.40x = 37,504,400,424.96
  5. Step 5: Solve for x
    x = 37,504,400,424.96/170,982.40
  6. Step 6: Final answer
    x = 219,346.56

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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.