Finding the Fourth Proportional to 194,617.20, 291,925.80 and 106,043.70
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Solution
The fourth proportional to 194,617.20, 291,925.80 and 106,043.70 is: 159,065.55
Step by Step Solution
- Step 1: Write the proportion equation
194,617.20 : 291,925.80 = 106,043.70 : x - Step 2: Convert to fraction form
194,617.20/291,925.80 = 106,043.70/x - Step 3: Cross multiply
194,617.20x = 291,925.80 × 106,043.70 - Step 4: Simplify right side
194,617.20x = 30,956,891,957.46 - Step 5: Solve for x
x = 30,956,891,957.46/194,617.20 - Step 6: Final answer
x = 159,065.55
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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.