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Finding the Fourth Proportional to 540,041.30, 810,059.03 and 220,191.93

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Solution

The fourth proportional to 540,041.30, 810,059.03 and 220,191.93 is: 330,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,041.30 : 810,059.03 = 220,191.93 : x
  2. Step 2: Convert to fraction form
    540,041.30/810,059.03 = 220,191.93/x
  3. Step 3: Cross multiply
    540,041.30x = 810,059.03 × 220,191.93
  4. Step 4: Simplify right side
    540,041.30x = 178,368,462,093.53
  5. Step 5: Solve for x
    x = 178,368,462,093.53/540,041.30
  6. Step 6: Final answer
    x = 330,286.71

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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.