Finding the Fourth Proportional to 192,787.18, 289,260.76 and 117,909.96
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Solution
The fourth proportional to 192,787.18, 289,260.76 and 117,909.96 is: 176,913.86
Step by Step Solution
- Step 1: Write the proportion equation
192,787.18 : 289,260.76 = 117,909.96 : x - Step 2: Convert to fraction form
192,787.18/289,260.76 = 117,909.96/x - Step 3: Cross multiply
192,787.18x = 289,260.76 × 117,909.96 - Step 4: Simplify right side
192,787.18x = 34,106,724,641.17 - Step 5: Solve for x
x = 34,106,724,641.17/192,787.18 - Step 6: Final answer
x = 176,913.86
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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.