Finding the Fourth Proportional to 385,436.92, 531,839.44 and 242,094.84
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Solution
The fourth proportional to 385,436.92, 531,839.44 and 242,094.84 is: 334,050.99
Step by Step Solution
- Step 1: Write the proportion equation
385,436.92 : 531,839.44 = 242,094.84 : x - Step 2: Convert to fraction form
385,436.92/531,839.44 = 242,094.84/x - Step 3: Cross multiply
385,436.92x = 531,839.44 × 242,094.84 - Step 4: Simplify right side
385,436.92x = 128,755,584,132.49 - Step 5: Solve for x
x = 128,755,584,132.49/385,436.92 - Step 6: Final answer
x = 334,050.99
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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.