Home / 290,981.63-436,579.07-122,544.36

Finding the Fourth Proportional to 290,981.63, 436,579.07 and 122,544.36

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Solution

The fourth proportional to 290,981.63, 436,579.07 and 122,544.36 is: 183,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,981.63 : 436,579.07 = 122,544.36 : x
  2. Step 2: Convert to fraction form
    290,981.63/436,579.07 = 122,544.36/x
  3. Step 3: Cross multiply
    290,981.63x = 436,579.07 × 122,544.36
  4. Step 4: Simplify right side
    290,981.63x = 53,500,302,109.82
  5. Step 5: Solve for x
    x = 53,500,302,109.82/290,981.63
  6. Step 6: Final answer
    x = 183,861.44

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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.