Finding the Fourth Proportional to 175,696.59, 242,442.69 and 99,211.05
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Solution
The fourth proportional to 175,696.59, 242,442.69 and 99,211.05 is: 136,900.75
Step by Step Solution
- Step 1: Write the proportion equation
175,696.59 : 242,442.69 = 99,211.05 : x - Step 2: Convert to fraction form
175,696.59/242,442.69 = 99,211.05/x - Step 3: Cross multiply
175,696.59x = 242,442.69 × 99,211.05 - Step 4: Simplify right side
175,696.59x = 24,052,994,986.65 - Step 5: Solve for x
x = 24,052,994,986.65/175,696.59 - Step 6: Final answer
x = 136,900.75
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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.