Finding the Fourth Proportional to 437,975.87, 656,906.99 and 138,486.66
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Solution
The fourth proportional to 437,975.87, 656,906.99 and 138,486.66 is: 207,712.03
Step by Step Solution
- Step 1: Write the proportion equation
437,975.87 : 656,906.99 = 138,486.66 : x - Step 2: Convert to fraction form
437,975.87/656,906.99 = 138,486.66/x - Step 3: Cross multiply
437,975.87x = 656,906.99 × 138,486.66 - Step 4: Simplify right side
437,975.87x = 90,972,854,283.32 - Step 5: Solve for x
x = 90,972,854,283.32/437,975.87 - Step 6: Final answer
x = 207,712.03
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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.