Finding the Fourth Proportional to 438,375.08, 604,957.74 and 247,428.92
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Solution
The fourth proportional to 438,375.08, 604,957.74 and 247,428.92 is: 341,451.98
Step by Step Solution
- Step 1: Write the proportion equation
438,375.08 : 604,957.74 = 247,428.92 : x - Step 2: Convert to fraction form
438,375.08/604,957.74 = 247,428.92/x - Step 3: Cross multiply
438,375.08x = 604,957.74 × 247,428.92 - Step 4: Simplify right side
438,375.08x = 149,684,040,253.84 - Step 5: Solve for x
x = 149,684,040,253.84/438,375.08 - Step 6: Final answer
x = 341,451.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.