Finding the Fourth Proportional to 219,815.91, 303,402.97 and 124,377.96
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Solution
The fourth proportional to 219,815.91, 303,402.97 and 124,377.96 is: 171,673.85
Step by Step Solution
- Step 1: Write the proportion equation
219,815.91 : 303,402.97 = 124,377.96 : x - Step 2: Convert to fraction form
219,815.91/303,402.97 = 124,377.96/x - Step 3: Cross multiply
219,815.91x = 303,402.97 × 124,377.96 - Step 4: Simplify right side
219,815.91x = 37,736,643,759.77 - Step 5: Solve for x
x = 37,736,643,759.77/219,815.91 - Step 6: Final answer
x = 171,673.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.