Home / 278,094.15-416,664.46-186,738.30

Finding the Fourth Proportional to 278,094.15, 416,664.46 and 186,738.30

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Solution

The fourth proportional to 278,094.15, 416,664.46 and 186,738.30 is: 279,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,094.15 : 416,664.46 = 186,738.30 : x
  2. Step 2: Convert to fraction form
    278,094.15/416,664.46 = 186,738.30/x
  3. Step 3: Cross multiply
    278,094.15x = 416,664.46 × 186,738.30
  4. Step 4: Simplify right side
    278,094.15x = 77,807,212,930.82
  5. Step 5: Solve for x
    x = 77,807,212,930.82/278,094.15
  6. Step 6: Final answer
    x = 279,787.31

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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.