Finding the Fourth Proportional to 371,663.59, 512,773.79 and 208,296.26
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Solution
The fourth proportional to 371,663.59, 512,773.79 and 208,296.26 is: 287,380.48
Step by Step Solution
- Step 1: Write the proportion equation
371,663.59 : 512,773.79 = 208,296.26 : x - Step 2: Convert to fraction form
371,663.59/512,773.79 = 208,296.26/x - Step 3: Cross multiply
371,663.59x = 512,773.79 × 208,296.26 - Step 4: Simplify right side
371,663.59x = 106,808,862,172.24 - Step 5: Solve for x
x = 106,808,862,172.24/371,663.59 - Step 6: Final answer
x = 287,380.48
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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.