Home / 436,319.46-654,480.09-120,777.30

Finding the Fourth Proportional to 436,319.46, 654,480.09 and 120,777.30

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Solution

The fourth proportional to 436,319.46, 654,480.09 and 120,777.30 is: 181,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,319.46 : 654,480.09 = 120,777.30 : x
  2. Step 2: Convert to fraction form
    436,319.46/654,480.09 = 120,777.30/x
  3. Step 3: Cross multiply
    436,319.46x = 654,480.09 × 120,777.30
  4. Step 4: Simplify right side
    436,319.46x = 79,046,338,173.96
  5. Step 5: Solve for x
    x = 79,046,338,173.96/436,319.46
  6. Step 6: Final answer
    x = 181,166.20

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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.