Home / 436,566.31-654,847.44-121,022.17

Finding the Fourth Proportional to 436,566.31, 654,847.44 and 121,022.17

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Solution

The fourth proportional to 436,566.31, 654,847.44 and 121,022.17 is: 181,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,566.31 : 654,847.44 = 121,022.17 : x
  2. Step 2: Convert to fraction form
    436,566.31/654,847.44 = 121,022.17/x
  3. Step 3: Cross multiply
    436,566.31x = 654,847.44 × 121,022.17
  4. Step 4: Simplify right side
    436,566.31x = 79,251,058,207.74
  5. Step 5: Solve for x
    x = 79,251,058,207.74/436,566.31
  6. Step 6: Final answer
    x = 181,532.69

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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.