Finding the Fourth Proportional to 372,195.02, 557,847.77 and 135,260.30
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Solution
The fourth proportional to 372,195.02, 557,847.77 and 135,260.30 is: 202,728.82
Step by Step Solution
- Step 1: Write the proportion equation
372,195.02 : 557,847.77 = 135,260.30 : x - Step 2: Convert to fraction form
372,195.02/557,847.77 = 135,260.30/x - Step 3: Cross multiply
372,195.02x = 557,847.77 × 135,260.30 - Step 4: Simplify right side
372,195.02x = 75,454,656,724.53 - Step 5: Solve for x
x = 75,454,656,724.53/372,195.02 - Step 6: Final answer
x = 202,728.82
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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.