Home / 290,837.26-436,664.60-148,784.43

Finding the Fourth Proportional to 290,837.26, 436,664.60 and 148,784.43

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Solution

The fourth proportional to 290,837.26, 436,664.60 and 148,784.43 is: 223,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,837.26 : 436,664.60 = 148,784.43 : x
  2. Step 2: Convert to fraction form
    290,837.26/436,664.60 = 148,784.43/x
  3. Step 3: Cross multiply
    290,837.26x = 436,664.60 × 148,784.43
  4. Step 4: Simplify right side
    290,837.26x = 64,968,895,063.69
  5. Step 5: Solve for x
    x = 64,968,895,063.69/290,837.26
  6. Step 6: Final answer
    x = 223,385.73

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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.