Finding the Fourth Proportional to 543,663.92, 750,144.30 and 314,139.08
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Solution
The fourth proportional to 543,663.92, 750,144.30 and 314,139.08 is: 433,447.27
Step by Step Solution
- Step 1: Write the proportion equation
543,663.92 : 750,144.30 = 314,139.08 : x - Step 2: Convert to fraction form
543,663.92/750,144.30 = 314,139.08/x - Step 3: Cross multiply
543,663.92x = 750,144.30 × 314,139.08 - Step 4: Simplify right side
543,663.92x = 235,649,640,269.24 - Step 5: Solve for x
x = 235,649,640,269.24/543,663.92 - Step 6: Final answer
x = 433,447.27
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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.