Finding the Fourth Proportional to 182,663.88, 273,948.30 and 77,428.68
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Solution
The fourth proportional to 182,663.88, 273,948.30 and 77,428.68 is: 116,122.88
Step by Step Solution
- Step 1: Write the proportion equation
182,663.88 : 273,948.30 = 77,428.68 : x - Step 2: Convert to fraction form
182,663.88/273,948.30 = 77,428.68/x - Step 3: Cross multiply
182,663.88x = 273,948.30 × 77,428.68 - Step 4: Simplify right side
182,663.88x = 21,211,455,257.24 - Step 5: Solve for x
x = 21,211,455,257.24/182,663.88 - Step 6: Final answer
x = 116,122.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.