Finding the Fourth Proportional to 177,678.80, 245,173.05 and 114,102.71
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Solution
The fourth proportional to 177,678.80, 245,173.05 and 114,102.71 is: 157,446.52
Step by Step Solution
- Step 1: Write the proportion equation
177,678.80 : 245,173.05 = 114,102.71 : x - Step 2: Convert to fraction form
177,678.80/245,173.05 = 114,102.71/x - Step 3: Cross multiply
177,678.80x = 245,173.05 × 114,102.71 - Step 4: Simplify right side
177,678.80x = 27,974,908,198.10 - Step 5: Solve for x
x = 27,974,908,198.10/177,678.80 - Step 6: Final answer
x = 157,446.52
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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.