Finding the Fourth Proportional to 219,755.84, 329,646.53 and 84,820.68
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Solution
The fourth proportional to 219,755.84, 329,646.53 and 84,820.68 is: 127,235.95
Step by Step Solution
- Step 1: Write the proportion equation
219,755.84 : 329,646.53 = 84,820.68 : x - Step 2: Convert to fraction form
219,755.84/329,646.53 = 84,820.68/x - Step 3: Cross multiply
219,755.84x = 329,646.53 × 84,820.68 - Step 4: Simplify right side
219,755.84x = 27,960,843,046.29 - Step 5: Solve for x
x = 27,960,843,046.29/219,755.84 - Step 6: Final answer
x = 127,235.95
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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.