Finding the Fourth Proportional to 176,091.31, 242,736.38 and 107,981.99
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Solution
The fourth proportional to 176,091.31, 242,736.38 and 107,981.99 is: 148,849.80
Step by Step Solution
- Step 1: Write the proportion equation
176,091.31 : 242,736.38 = 107,981.99 : x - Step 2: Convert to fraction form
176,091.31/242,736.38 = 107,981.99/x - Step 3: Cross multiply
176,091.31x = 242,736.38 × 107,981.99 - Step 4: Simplify right side
176,091.31x = 26,211,155,604.20 - Step 5: Solve for x
x = 26,211,155,604.20/176,091.31 - Step 6: Final answer
x = 148,849.80
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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.