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Finding the Fourth Proportional to 360,770.81, 540,989.42 and 202,999.25

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Solution

The fourth proportional to 360,770.81, 540,989.42 and 202,999.25 is: 304,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,770.81 : 540,989.42 = 202,999.25 : x
  2. Step 2: Convert to fraction form
    360,770.81/540,989.42 = 202,999.25/x
  3. Step 3: Cross multiply
    360,770.81x = 540,989.42 × 202,999.25
  4. Step 4: Simplify right side
    360,770.81x = 109,820,442,797.99
  5. Step 5: Solve for x
    x = 109,820,442,797.99/360,770.81
  6. Step 6: Final answer
    x = 304,405.02

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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.