Finding the Fourth Proportional to 220,876.91, 304,802.06 and 134,979.67
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Solution
The fourth proportional to 220,876.91, 304,802.06 and 134,979.67 is: 186,267.00
Step by Step Solution
- Step 1: Write the proportion equation
220,876.91 : 304,802.06 = 134,979.67 : x - Step 2: Convert to fraction form
220,876.91/304,802.06 = 134,979.67/x - Step 3: Cross multiply
220,876.91x = 304,802.06 × 134,979.67 - Step 4: Simplify right side
220,876.91x = 41,142,079,275.21 - Step 5: Solve for x
x = 41,142,079,275.21/220,876.91 - Step 6: Final answer
x = 186,267.00
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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.