Home / 366,474.06-505,725.39-205,335.90

Finding the Fourth Proportional to 366,474.06, 505,725.39 and 205,335.90

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Solution

The fourth proportional to 366,474.06, 505,725.39 and 205,335.90 is: 283,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,474.06 : 505,725.39 = 205,335.90 : x
  2. Step 2: Convert to fraction form
    366,474.06/505,725.39 = 205,335.90/x
  3. Step 3: Cross multiply
    366,474.06x = 505,725.39 × 205,335.90
  4. Step 4: Simplify right side
    366,474.06x = 103,843,578,108.50
  5. Step 5: Solve for x
    x = 103,843,578,108.50/366,474.06
  6. Step 6: Final answer
    x = 283,358.60

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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.