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Finding the Fourth Proportional to 340,802.57, 511,205.06 and 104,144.26

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Solution

The fourth proportional to 340,802.57, 511,205.06 and 104,144.26 is: 156,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,802.57 : 511,205.06 = 104,144.26 : x
  2. Step 2: Convert to fraction form
    340,802.57/511,205.06 = 104,144.26/x
  3. Step 3: Cross multiply
    340,802.57x = 511,205.06 × 104,144.26
  4. Step 4: Simplify right side
    340,802.57x = 53,239,071,664.30
  5. Step 5: Solve for x
    x = 53,239,071,664.30/340,802.57
  6. Step 6: Final answer
    x = 156,216.76

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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.