Finding the Fourth Proportional to 824,913.20, 1,237,368.84 and 225,878.96
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Solution
The fourth proportional to 824,913.20, 1,237,368.84 and 225,878.96 is: 338,818.18
Step by Step Solution
- Step 1: Write the proportion equation
824,913.20 : 1,237,368.84 = 225,878.96 : x - Step 2: Convert to fraction form
824,913.20/1,237,368.84 = 225,878.96/x - Step 3: Cross multiply
824,913.20x = 1,237,368.84 × 225,878.96 - Step 4: Simplify right side
824,913.20x = 279,495,586,715.61 - Step 5: Solve for x
x = 279,495,586,715.61/824,913.20 - Step 6: Final answer
x = 338,818.18
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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.