Finding the Fourth Proportional to 179,476.24, 247,678.87 and 98,906.65
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Solution
The fourth proportional to 179,476.24, 247,678.87 and 98,906.65 is: 136,492.09
Step by Step Solution
- Step 1: Write the proportion equation
179,476.24 : 247,678.87 = 98,906.65 : x - Step 2: Convert to fraction form
179,476.24/247,678.87 = 98,906.65/x - Step 3: Cross multiply
179,476.24x = 247,678.87 × 98,906.65 - Step 4: Simplify right side
179,476.24x = 24,497,087,307.49 - Step 5: Solve for x
x = 24,497,087,307.49/179,476.24 - Step 6: Final answer
x = 136,492.09
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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.