Home / 436,261.24-654,400.08-136,735.20

Finding the Fourth Proportional to 436,261.24, 654,400.08 and 136,735.20

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Solution

The fourth proportional to 436,261.24, 654,400.08 and 136,735.20 is: 205,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,261.24 : 654,400.08 = 136,735.20 : x
  2. Step 2: Convert to fraction form
    436,261.24/654,400.08 = 136,735.20/x
  3. Step 3: Cross multiply
    436,261.24x = 654,400.08 × 136,735.20
  4. Step 4: Simplify right side
    436,261.24x = 89,479,525,818.82
  5. Step 5: Solve for x
    x = 89,479,525,818.82/436,261.24
  6. Step 6: Final answer
    x = 205,105.38

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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.