Finding the Fourth Proportional to 196,957.68, 271,927.30 and 160,745.63
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Solution
The fourth proportional to 196,957.68, 271,927.30 and 160,745.63 is: 221,931.55
Step by Step Solution
- Step 1: Write the proportion equation
196,957.68 : 271,927.30 = 160,745.63 : x - Step 2: Convert to fraction form
196,957.68/271,927.30 = 160,745.63/x - Step 3: Cross multiply
196,957.68x = 271,927.30 × 160,745.63 - Step 4: Simplify right side
196,957.68x = 43,711,123,669.15 - Step 5: Solve for x
x = 43,711,123,669.15/196,957.68 - Step 6: Final answer
x = 221,931.55
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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.