Finding the Fourth Proportional to 256,951.68, 385,331.76 and 88,424.88
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Solution
The fourth proportional to 256,951.68, 385,331.76 and 88,424.88 is: 132,604.37
Step by Step Solution
- Step 1: Write the proportion equation
256,951.68 : 385,331.76 = 88,424.88 : x - Step 2: Convert to fraction form
256,951.68/385,331.76 = 88,424.88/x - Step 3: Cross multiply
256,951.68x = 385,331.76 × 88,424.88 - Step 4: Simplify right side
256,951.68x = 34,072,914,638.19 - Step 5: Solve for x
x = 34,072,914,638.19/256,951.68 - Step 6: Final answer
x = 132,604.37
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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.