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Finding the Fourth Proportional to 605,159.28, 835,139.88 and 333,247.32

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Solution

The fourth proportional to 605,159.28, 835,139.88 and 333,247.32 is: 459,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,159.28 : 835,139.88 = 333,247.32 : x
  2. Step 2: Convert to fraction form
    605,159.28/835,139.88 = 333,247.32/x
  3. Step 3: Cross multiply
    605,159.28x = 835,139.88 × 333,247.32
  4. Step 4: Simplify right side
    605,159.28x = 278,308,126,835.12
  5. Step 5: Solve for x
    x = 278,308,126,835.12/605,159.28
  6. Step 6: Final answer
    x = 459,892.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.