Home / 290,610.32-436,083.96-122,117.36

Finding the Fourth Proportional to 290,610.32, 436,083.96 and 122,117.36

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Solution

The fourth proportional to 290,610.32, 436,083.96 and 122,117.36 is: 183,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,610.32 : 436,083.96 = 122,117.36 : x
  2. Step 2: Convert to fraction form
    290,610.32/436,083.96 = 122,117.36/x
  3. Step 3: Cross multiply
    290,610.32x = 436,083.96 × 122,117.36
  4. Step 4: Simplify right side
    290,610.32x = 53,253,421,933.55
  5. Step 5: Solve for x
    x = 53,253,421,933.55/290,610.32
  6. Step 6: Final answer
    x = 183,246.84

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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.