Home / 205,056.10-307,584.15-64,857.70

Finding the Fourth Proportional to 205,056.10, 307,584.15 and 64,857.70

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Solution

The fourth proportional to 205,056.10, 307,584.15 and 64,857.70 is: 97,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,056.10 : 307,584.15 = 64,857.70 : x
  2. Step 2: Convert to fraction form
    205,056.10/307,584.15 = 64,857.70/x
  3. Step 3: Cross multiply
    205,056.10x = 307,584.15 × 64,857.70
  4. Step 4: Simplify right side
    205,056.10x = 19,949,200,525.46
  5. Step 5: Solve for x
    x = 19,949,200,525.46/205,056.10
  6. Step 6: Final answer
    x = 97,286.55

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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.