Finding the Fourth Proportional to 204,058.10, 306,130.35 and 61,891.70
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Solution
The fourth proportional to 204,058.10, 306,130.35 and 61,891.70 is: 92,850.65
Step by Step Solution
- Step 1: Write the proportion equation
204,058.10 : 306,130.35 = 61,891.70 : x - Step 2: Convert to fraction form
204,058.10/306,130.35 = 61,891.70/x - Step 3: Cross multiply
204,058.10x = 306,130.35 × 61,891.70 - Step 4: Simplify right side
204,058.10x = 18,946,927,783.10 - Step 5: Solve for x
x = 18,946,927,783.10/204,058.10 - Step 6: Final answer
x = 92,850.65
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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.