Finding the Fourth Proportional to 197,070.20, 271,956.84 and 106,426.15
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Solution
The fourth proportional to 197,070.20, 271,956.84 and 106,426.15 is: 146,868.07
Step by Step Solution
- Step 1: Write the proportion equation
197,070.20 : 271,956.84 = 106,426.15 : x - Step 2: Convert to fraction form
197,070.20/271,956.84 = 106,426.15/x - Step 3: Cross multiply
197,070.20x = 271,956.84 × 106,426.15 - Step 4: Simplify right side
197,070.20x = 28,943,320,496.78 - Step 5: Solve for x
x = 28,943,320,496.78/197,070.20 - Step 6: Final answer
x = 146,868.07
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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.