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Finding the Fourth Proportional to 540,350.12, 809,860.70 and 303,194.57

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Solution

The fourth proportional to 540,350.12, 809,860.70 and 303,194.57 is: 454,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,350.12 : 809,860.70 = 303,194.57 : x
  2. Step 2: Convert to fraction form
    540,350.12/809,860.70 = 303,194.57/x
  3. Step 3: Cross multiply
    540,350.12x = 809,860.70 × 303,194.57
  4. Step 4: Simplify right side
    540,350.12x = 245,545,363,405.08
  5. Step 5: Solve for x
    x = 245,545,363,405.08/540,350.12
  6. Step 6: Final answer
    x = 454,419.00

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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.