Finding the Fourth Proportional to 438,597.92, 605,253.12 and 247,629.08
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Solution
The fourth proportional to 438,597.92, 605,253.12 and 247,629.08 is: 341,721.35
Step by Step Solution
- Step 1: Write the proportion equation
438,597.92 : 605,253.12 = 247,629.08 : x - Step 2: Convert to fraction form
438,597.92/605,253.12 = 247,629.08/x - Step 3: Cross multiply
438,597.92x = 605,253.12 × 247,629.08 - Step 4: Simplify right side
438,597.92x = 149,878,273,272.73 - Step 5: Solve for x
x = 149,878,273,272.73/438,597.92 - Step 6: Final answer
x = 341,721.35
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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.