Home / 205,051.40-307,577.10-202,286.60

Finding the Fourth Proportional to 205,051.40, 307,577.10 and 202,286.60

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Solution

The fourth proportional to 205,051.40, 307,577.10 and 202,286.60 is: 303,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,051.40 : 307,577.10 = 202,286.60 : x
  2. Step 2: Convert to fraction form
    205,051.40/307,577.10 = 202,286.60/x
  3. Step 3: Cross multiply
    205,051.40x = 307,577.10 × 202,286.60
  4. Step 4: Simplify right side
    205,051.40x = 62,218,725,796.86
  5. Step 5: Solve for x
    x = 62,218,725,796.86/205,051.40
  6. Step 6: Final answer
    x = 303,429.90

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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.