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Finding the Fourth Proportional to 540,016.80, 810,025.20 and 160,936.80

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Solution

The fourth proportional to 540,016.80, 810,025.20 and 160,936.80 is: 241,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,016.80 : 810,025.20 = 160,936.80 : x
  2. Step 2: Convert to fraction form
    540,016.80/810,025.20 = 160,936.80/x
  3. Step 3: Cross multiply
    540,016.80x = 810,025.20 × 160,936.80
  4. Step 4: Simplify right side
    540,016.80x = 130,362,863,607.36
  5. Step 5: Solve for x
    x = 130,362,863,607.36/540,016.80
  6. Step 6: Final answer
    x = 241,405.20

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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.