Finding the Fourth Proportional to 408,748.62, 613,215.20 and 124,464.60
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Solution
The fourth proportional to 408,748.62, 613,215.20 and 124,464.60 is: 186,724.99
Step by Step Solution
- Step 1: Write the proportion equation
408,748.62 : 613,215.20 = 124,464.60 : x - Step 2: Convert to fraction form
408,748.62/613,215.20 = 124,464.60/x - Step 3: Cross multiply
408,748.62x = 613,215.20 × 124,464.60 - Step 4: Simplify right side
408,748.62x = 76,323,582,593.52 - Step 5: Solve for x
x = 76,323,582,593.52/408,748.62 - Step 6: Final answer
x = 186,724.99
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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.