Finding the Fourth Proportional to 312,273.68, 468,123.48 and 112,545.18
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Solution
The fourth proportional to 312,273.68, 468,123.48 and 112,545.18 is: 168,714.32
Step by Step Solution
- Step 1: Write the proportion equation
312,273.68 : 468,123.48 = 112,545.18 : x - Step 2: Convert to fraction form
312,273.68/468,123.48 = 112,545.18/x - Step 3: Cross multiply
312,273.68x = 468,123.48 × 112,545.18 - Step 4: Simplify right side
312,273.68x = 52,685,041,318.83 - Step 5: Solve for x
x = 52,685,041,318.83/312,273.68 - Step 6: Final answer
x = 168,714.32
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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.