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Finding the Fourth Proportional to 170,599.60, 255,510.60 and 100,615.60

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Solution

The fourth proportional to 170,599.60, 255,510.60 and 100,615.60 is: 150,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,599.60 : 255,510.60 = 100,615.60 : x
  2. Step 2: Convert to fraction form
    170,599.60/255,510.60 = 100,615.60/x
  3. Step 3: Cross multiply
    170,599.60x = 255,510.60 × 100,615.60
  4. Step 4: Simplify right side
    170,599.60x = 25,708,352,325.36
  5. Step 5: Solve for x
    x = 25,708,352,325.36/170,599.60
  6. Step 6: Final answer
    x = 150,694.09

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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.