Home / 436,320.14-654,407.31-120,808.94

Finding the Fourth Proportional to 436,320.14, 654,407.31 and 120,808.94

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Solution

The fourth proportional to 436,320.14, 654,407.31 and 120,808.94 is: 181,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,320.14 : 654,407.31 = 120,808.94 : x
  2. Step 2: Convert to fraction form
    436,320.14/654,407.31 = 120,808.94/x
  3. Step 3: Cross multiply
    436,320.14x = 654,407.31 × 120,808.94
  4. Step 4: Simplify right side
    436,320.14x = 79,058,253,449.35
  5. Step 5: Solve for x
    x = 79,058,253,449.35/436,320.14
  6. Step 6: Final answer
    x = 181,193.23

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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.