Finding the Fourth Proportional to 463,702.68, 639,916.36 and 270,105.44
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Solution
The fourth proportional to 463,702.68, 639,916.36 and 270,105.44 is: 372,749.39
Step by Step Solution
- Step 1: Write the proportion equation
463,702.68 : 639,916.36 = 270,105.44 : x - Step 2: Convert to fraction form
463,702.68/639,916.36 = 270,105.44/x - Step 3: Cross multiply
463,702.68x = 639,916.36 × 270,105.44 - Step 4: Simplify right side
463,702.68x = 172,844,889,981.00 - Step 5: Solve for x
x = 172,844,889,981.00/463,702.68 - Step 6: Final answer
x = 372,749.39
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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.