Finding the Fourth Proportional to 178,701.12, 268,107.84 and 73,569.60
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Solution
The fourth proportional to 178,701.12, 268,107.84 and 73,569.60 is: 110,377.52
Step by Step Solution
- Step 1: Write the proportion equation
178,701.12 : 268,107.84 = 73,569.60 : x - Step 2: Convert to fraction form
178,701.12/268,107.84 = 73,569.60/x - Step 3: Cross multiply
178,701.12x = 268,107.84 × 73,569.60 - Step 4: Simplify right side
178,701.12x = 19,724,586,545.66 - Step 5: Solve for x
x = 19,724,586,545.66/178,701.12 - Step 6: Final answer
x = 110,377.52
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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.