Finding the Fourth Proportional to 196,695.68, 271,437.12 and 110,648.16
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Solution
The fourth proportional to 196,695.68, 271,437.12 and 110,648.16 is: 152,692.82
Step by Step Solution
- Step 1: Write the proportion equation
196,695.68 : 271,437.12 = 110,648.16 : x - Step 2: Convert to fraction form
196,695.68/271,437.12 = 110,648.16/x - Step 3: Cross multiply
196,695.68x = 271,437.12 × 110,648.16 - Step 4: Simplify right side
196,695.68x = 30,034,017,883.70 - Step 5: Solve for x
x = 30,034,017,883.70/196,695.68 - Step 6: Final answer
x = 152,692.82
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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.