Home / 290,957.46-401,293.32-199,131.06

Finding the Fourth Proportional to 290,957.46, 401,293.32 and 199,131.06

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Solution

The fourth proportional to 290,957.46, 401,293.32 and 199,131.06 is: 274,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,957.46 : 401,293.32 = 199,131.06 : x
  2. Step 2: Convert to fraction form
    290,957.46/401,293.32 = 199,131.06/x
  3. Step 3: Cross multiply
    290,957.46x = 401,293.32 × 199,131.06
  4. Step 4: Simplify right side
    290,957.46x = 79,909,964,182.52
  5. Step 5: Solve for x
    x = 79,909,964,182.52/290,957.46
  6. Step 6: Final answer
    x = 274,644.84

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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.