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Finding the Fourth Proportional to 340,677.94, 511,018.80 and 87,941.17

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Solution

The fourth proportional to 340,677.94, 511,018.80 and 87,941.17 is: 131,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,677.94 : 511,018.80 = 87,941.17 : x
  2. Step 2: Convert to fraction form
    340,677.94/511,018.80 = 87,941.17/x
  3. Step 3: Cross multiply
    340,677.94x = 511,018.80 × 87,941.17
  4. Step 4: Simplify right side
    340,677.94x = 44,939,591,164.00
  5. Step 5: Solve for x
    x = 44,939,591,164.00/340,677.94
  6. Step 6: Final answer
    x = 131,912.24

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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.