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Finding the Fourth Proportional to 100,328.65, 150,480.66 and 58,231.63

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Solution

The fourth proportional to 100,328.65, 150,480.66 and 58,231.63 is: 87,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,328.65 : 150,480.66 = 58,231.63 : x
  2. Step 2: Convert to fraction form
    100,328.65/150,480.66 = 58,231.63/x
  3. Step 3: Cross multiply
    100,328.65x = 150,480.66 × 58,231.63
  4. Step 4: Simplify right side
    100,328.65x = 8,762,734,115.28
  5. Step 5: Solve for x
    x = 8,762,734,115.28/100,328.65
  6. Step 6: Final answer
    x = 87,340.30

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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.