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Finding the Fourth Proportional to 304,950.80, 457,685.40 and 245,853.20

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Solution

The fourth proportional to 304,950.80, 457,685.40 and 245,853.20 is: 368,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,950.80 : 457,685.40 = 245,853.20 : x
  2. Step 2: Convert to fraction form
    304,950.80/457,685.40 = 245,853.20/x
  3. Step 3: Cross multiply
    304,950.80x = 457,685.40 × 245,853.20
  4. Step 4: Simplify right side
    304,950.80x = 112,523,420,183.28
  5. Step 5: Solve for x
    x = 112,523,420,183.28/304,950.80
  6. Step 6: Final answer
    x = 368,988.77

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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.