Finding the Fourth Proportional to 192,787.08, 266,043.42 and 106,737.81
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Solution
The fourth proportional to 192,787.08, 266,043.42 and 106,737.81 is: 147,296.66
Step by Step Solution
- Step 1: Write the proportion equation
192,787.08 : 266,043.42 = 106,737.81 : x - Step 2: Convert to fraction form
192,787.08/266,043.42 = 106,737.81/x - Step 3: Cross multiply
192,787.08x = 266,043.42 × 106,737.81 - Step 4: Simplify right side
192,787.08x = 28,396,892,015.71 - Step 5: Solve for x
x = 28,396,892,015.71/192,787.08 - Step 6: Final answer
x = 147,296.66
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1.5x scale
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.