Home / 436,728.66-654,874.29-137,205.24

Finding the Fourth Proportional to 436,728.66, 654,874.29 and 137,205.24

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Solution

The fourth proportional to 436,728.66, 654,874.29 and 137,205.24 is: 205,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,728.66 : 654,874.29 = 137,205.24 : x
  2. Step 2: Convert to fraction form
    436,728.66/654,874.29 = 137,205.24/x
  3. Step 3: Cross multiply
    436,728.66x = 654,874.29 × 137,205.24
  4. Step 4: Simplify right side
    436,728.66x = 89,852,184,129.28
  5. Step 5: Solve for x
    x = 89,852,184,129.28/436,728.66
  6. Step 6: Final answer
    x = 205,739.15

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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.