Finding the Fourth Proportional to 312,572.24, 468,851.80 and 75,916.08
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Solution
The fourth proportional to 312,572.24, 468,851.80 and 75,916.08 is: 113,872.53
Step by Step Solution
- Step 1: Write the proportion equation
312,572.24 : 468,851.80 = 75,916.08 : x - Step 2: Convert to fraction form
312,572.24/468,851.80 = 75,916.08/x - Step 3: Cross multiply
312,572.24x = 468,851.80 × 75,916.08 - Step 4: Simplify right side
312,572.24x = 35,593,390,756.94 - Step 5: Solve for x
x = 35,593,390,756.94/312,572.24 - Step 6: Final answer
x = 113,872.53
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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.