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Finding the Fourth Proportional to 605,232.10, 907,934.55 and 205,891.30

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Solution

The fourth proportional to 605,232.10, 907,934.55 and 205,891.30 is: 308,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,232.10 : 907,934.55 = 205,891.30 : x
  2. Step 2: Convert to fraction form
    605,232.10/907,934.55 = 205,891.30/x
  3. Step 3: Cross multiply
    605,232.10x = 907,934.55 × 205,891.30
  4. Step 4: Simplify right side
    605,232.10x = 186,935,824,814.42
  5. Step 5: Solve for x
    x = 186,935,824,814.42/605,232.10
  6. Step 6: Final answer
    x = 308,866.34

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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.