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Finding the Fourth Proportional to 496,488, 685,168.02 and 270,148.08

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Solution

The fourth proportional to 496,488, 685,168.02 and 270,148.08 is: 372,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,488 : 685,168.02 = 270,148.08 : x
  2. Step 2: Convert to fraction form
    496,488/685,168.02 = 270,148.08/x
  3. Step 3: Cross multiply
    496,488x = 685,168.02 × 270,148.08
  4. Step 4: Simplify right side
    496,488x = 185,096,825,080.40
  5. Step 5: Solve for x
    x = 185,096,825,080.40/496,488
  6. Step 6: Final answer
    x = 372,812.28

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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.