Home / 436,278.76-654,399.09-136,752.52

Finding the Fourth Proportional to 436,278.76, 654,399.09 and 136,752.52

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Solution

The fourth proportional to 436,278.76, 654,399.09 and 136,752.52 is: 205,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,278.76 : 654,399.09 = 136,752.52 : x
  2. Step 2: Convert to fraction form
    436,278.76/654,399.09 = 136,752.52/x
  3. Step 3: Cross multiply
    436,278.76x = 654,399.09 × 136,752.52
  4. Step 4: Simplify right side
    436,278.76x = 89,490,724,643.21
  5. Step 5: Solve for x
    x = 89,490,724,643.21/436,278.76
  6. Step 6: Final answer
    x = 205,122.81

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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.