Finding the Fourth Proportional to 197,067.18, 271,952.70 and 106,423.14
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Solution
The fourth proportional to 197,067.18, 271,952.70 and 106,423.14 is: 146,863.93
Step by Step Solution
- Step 1: Write the proportion equation
197,067.18 : 271,952.70 = 106,423.14 : x - Step 2: Convert to fraction form
197,067.18/271,952.70 = 106,423.14/x - Step 3: Cross multiply
197,067.18x = 271,952.70 × 106,423.14 - Step 4: Simplify right side
197,067.18x = 28,942,060,886.21 - Step 5: Solve for x
x = 28,942,060,886.21/197,067.18 - Step 6: Final answer
x = 146,863.93
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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.