Home / 346,039.88-477,771.09-223,828.43

Finding the Fourth Proportional to 346,039.88, 477,771.09 and 223,828.43

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Solution

The fourth proportional to 346,039.88, 477,771.09 and 223,828.43 is: 309,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,039.88 : 477,771.09 = 223,828.43 : x
  2. Step 2: Convert to fraction form
    346,039.88/477,771.09 = 223,828.43/x
  3. Step 3: Cross multiply
    346,039.88x = 477,771.09 × 223,828.43
  4. Step 4: Simplify right side
    346,039.88x = 106,938,752,974.09
  5. Step 5: Solve for x
    x = 106,938,752,974.09/346,039.88
  6. Step 6: Final answer
    x = 309,035.92

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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.