Home / 347,139.24-521,004.72-136,924.80

Finding the Fourth Proportional to 347,139.24, 521,004.72 and 136,924.80

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Solution

The fourth proportional to 347,139.24, 521,004.72 and 136,924.80 is: 205,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,139.24 : 521,004.72 = 136,924.80 : x
  2. Step 2: Convert to fraction form
    347,139.24/521,004.72 = 136,924.80/x
  3. Step 3: Cross multiply
    347,139.24x = 521,004.72 × 136,924.80
  4. Step 4: Simplify right side
    347,139.24x = 71,338,467,085.06
  5. Step 5: Solve for x
    x = 71,338,467,085.06/347,139.24
  6. Step 6: Final answer
    x = 205,503.90

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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.