Finding the Fourth Proportional to 268,642.29, 402,877.82 and 88,694.17
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Solution
The fourth proportional to 268,642.29, 402,877.82 and 88,694.17 is: 133,012.99
Step by Step Solution
- Step 1: Write the proportion equation
268,642.29 : 402,877.82 = 88,694.17 : x - Step 2: Convert to fraction form
268,642.29/402,877.82 = 88,694.17/x - Step 3: Cross multiply
268,642.29x = 402,877.82 × 88,694.17 - Step 4: Simplify right side
268,642.29x = 35,732,913,412.84 - Step 5: Solve for x
x = 35,732,913,412.84/268,642.29 - Step 6: Final answer
x = 133,012.99
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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.