Finding the Fourth Proportional to 219,857.74, 329,799.68 and 84,922.84
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Solution
The fourth proportional to 219,857.74, 329,799.68 and 84,922.84 is: 127,389.31
Step by Step Solution
- Step 1: Write the proportion equation
219,857.74 : 329,799.68 = 84,922.84 : x - Step 2: Convert to fraction form
219,857.74/329,799.68 = 84,922.84/x - Step 3: Cross multiply
219,857.74x = 329,799.68 × 84,922.84 - Step 4: Simplify right side
219,857.74x = 28,007,524,844.50 - Step 5: Solve for x
x = 28,007,524,844.50/219,857.74 - Step 6: Final answer
x = 127,389.31
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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.