Finding the Fourth Proportional to 518,185.08, 777,277.63 and 202,420.55
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Solution
The fourth proportional to 518,185.08, 777,277.63 and 202,420.55 is: 303,630.83
Step by Step Solution
- Step 1: Write the proportion equation
518,185.08 : 777,277.63 = 202,420.55 : x - Step 2: Convert to fraction form
518,185.08/777,277.63 = 202,420.55/x - Step 3: Cross multiply
518,185.08x = 777,277.63 × 202,420.55 - Step 4: Simplify right side
518,185.08x = 157,336,965,367.30 - Step 5: Solve for x
x = 157,336,965,367.30/518,185.08 - Step 6: Final answer
x = 303,630.83
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1.5x scale
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.