Finding the Fourth Proportional to 214,784.15, 296,434.43 and 154,554.17
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Solution
The fourth proportional to 214,784.15, 296,434.43 and 154,554.17 is: 213,307.99
Step by Step Solution
- Step 1: Write the proportion equation
214,784.15 : 296,434.43 = 154,554.17 : x - Step 2: Convert to fraction form
214,784.15/296,434.43 = 154,554.17/x - Step 3: Cross multiply
214,784.15x = 296,434.43 × 154,554.17 - Step 4: Simplify right side
214,784.15x = 45,815,175,033.13 - Step 5: Solve for x
x = 45,815,175,033.13/214,784.15 - Step 6: Final answer
x = 213,307.99
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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.