Finding the Fourth Proportional to 649,603.92, 896,473.26 and 363,136.08
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Solution
The fourth proportional to 649,603.92, 896,473.26 and 363,136.08 is: 501,138.89
Step by Step Solution
- Step 1: Write the proportion equation
649,603.92 : 896,473.26 = 363,136.08 : x - Step 2: Convert to fraction form
649,603.92/896,473.26 = 363,136.08/x - Step 3: Cross multiply
649,603.92x = 896,473.26 × 363,136.08 - Step 4: Simplify right side
649,603.92x = 325,541,785,461.22 - Step 5: Solve for x
x = 325,541,785,461.22/649,603.92 - Step 6: Final answer
x = 501,138.89
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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.