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Finding the Fourth Proportional to 360,810.84, 498,330.16 and 245,891.28

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Solution

The fourth proportional to 360,810.84, 498,330.16 and 245,891.28 is: 339,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,810.84 : 498,330.16 = 245,891.28 : x
  2. Step 2: Convert to fraction form
    360,810.84/498,330.16 = 245,891.28/x
  3. Step 3: Cross multiply
    360,810.84x = 498,330.16 × 245,891.28
  4. Step 4: Simplify right side
    360,810.84x = 122,535,040,905.01
  5. Step 5: Solve for x
    x = 122,535,040,905.01/360,810.84
  6. Step 6: Final answer
    x = 339,610.20

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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.