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Finding the Fourth Proportional to 612,179.66, 918,268.22 and 162,900.50

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Solution

The fourth proportional to 612,179.66, 918,268.22 and 162,900.50 is: 244,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,179.66 : 918,268.22 = 162,900.50 : x
  2. Step 2: Convert to fraction form
    612,179.66/918,268.22 = 162,900.50/x
  3. Step 3: Cross multiply
    612,179.66x = 918,268.22 × 162,900.50
  4. Step 4: Simplify right side
    612,179.66x = 149,586,352,172.11
  5. Step 5: Solve for x
    x = 149,586,352,172.11/612,179.66
  6. Step 6: Final answer
    x = 244,350.41

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Similar ratio
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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.