Finding the Fourth Proportional to 219,700.75, 303,175.25 and 124,201.75
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Solution
The fourth proportional to 219,700.75, 303,175.25 and 124,201.75 is: 171,391.75
Step by Step Solution
- Step 1: Write the proportion equation
219,700.75 : 303,175.25 = 124,201.75 : x - Step 2: Convert to fraction form
219,700.75/303,175.25 = 124,201.75/x - Step 3: Cross multiply
219,700.75x = 303,175.25 × 124,201.75 - Step 4: Simplify right side
219,700.75x = 37,654,895,401.32 - Step 5: Solve for x
x = 37,654,895,401.32/219,700.75 - Step 6: Final answer
x = 171,391.75
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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.