Finding the Fourth Proportional to 175,997.88, 242,875.60 and 99,531.99
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Solution
The fourth proportional to 175,997.88, 242,875.60 and 99,531.99 is: 137,353.31
Step by Step Solution
- Step 1: Write the proportion equation
175,997.88 : 242,875.60 = 99,531.99 : x - Step 2: Convert to fraction form
175,997.88/242,875.60 = 99,531.99/x - Step 3: Cross multiply
175,997.88x = 242,875.60 × 99,531.99 - Step 4: Simplify right side
175,997.88x = 24,173,891,541.61 - Step 5: Solve for x
x = 24,173,891,541.61/175,997.88 - Step 6: Final answer
x = 137,353.31
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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.