Finding the Fourth Proportional to 183,988.26, 276,089.45 and 77,364.48
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Solution
The fourth proportional to 183,988.26, 276,089.45 and 77,364.48 is: 116,091.74
Step by Step Solution
- Step 1: Write the proportion equation
183,988.26 : 276,089.45 = 77,364.48 : x - Step 2: Convert to fraction form
183,988.26/276,089.45 = 77,364.48/x - Step 3: Cross multiply
183,988.26x = 276,089.45 × 77,364.48 - Step 4: Simplify right side
183,988.26x = 21,359,517,381.25 - Step 5: Solve for x
x = 21,359,517,381.25/183,988.26 - Step 6: Final answer
x = 116,091.74
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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.