Finding the Fourth Proportional to 175,376.28, 242,042.97 and 98,911.08
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Solution
The fourth proportional to 175,376.28, 242,042.97 and 98,911.08 is: 136,510.66
Step by Step Solution
- Step 1: Write the proportion equation
175,376.28 : 242,042.97 = 98,911.08 : x - Step 2: Convert to fraction form
175,376.28/242,042.97 = 98,911.08/x - Step 3: Cross multiply
175,376.28x = 242,042.97 × 98,911.08 - Step 4: Simplify right side
175,376.28x = 23,940,731,569.11 - Step 5: Solve for x
x = 23,940,731,569.11/175,376.28 - Step 6: Final answer
x = 136,510.66
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1.5x scale
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.