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Finding the Fourth Proportional to 540,359.68, 809,875.10 and 303,204.10

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Solution

The fourth proportional to 540,359.68, 809,875.10 and 303,204.10 is: 454,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,359.68 : 809,875.10 = 303,204.10 : x
  2. Step 2: Convert to fraction form
    540,359.68/809,875.10 = 303,204.10/x
  3. Step 3: Cross multiply
    540,359.68x = 809,875.10 × 303,204.10
  4. Step 4: Simplify right side
    540,359.68x = 245,557,450,807.91
  5. Step 5: Solve for x
    x = 245,557,450,807.91/540,359.68
  6. Step 6: Final answer
    x = 454,433.33

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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.