Finding the Fourth Proportional to 175,591.49, 242,315.97 and 99,126.68
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Solution
The fourth proportional to 175,591.49, 242,315.97 and 99,126.68 is: 136,794.66
Step by Step Solution
- Step 1: Write the proportion equation
175,591.49 : 242,315.97 = 99,126.68 : x - Step 2: Convert to fraction form
175,591.49/242,315.97 = 99,126.68/x - Step 3: Cross multiply
175,591.49x = 242,315.97 × 99,126.68 - Step 4: Simplify right side
175,591.49x = 24,019,977,617.08 - Step 5: Solve for x
x = 24,019,977,617.08/175,591.49 - Step 6: Final answer
x = 136,794.66
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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.