Finding the Fourth Proportional to 663,036.84, 994,414.32 and 189,595.08
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Solution
The fourth proportional to 663,036.84, 994,414.32 and 189,595.08 is: 284,352.32
Step by Step Solution
- Step 1: Write the proportion equation
663,036.84 : 994,414.32 = 189,595.08 : x - Step 2: Convert to fraction form
663,036.84/994,414.32 = 189,595.08/x - Step 3: Cross multiply
663,036.84x = 994,414.32 × 189,595.08 - Step 4: Simplify right side
663,036.84x = 188,536,062,553.55 - Step 5: Solve for x
x = 188,536,062,553.55/663,036.84 - Step 6: Final answer
x = 284,352.32
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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.