Finding the Fourth Proportional to 135,292.92, 186,705.99 and 84,326.28
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Solution
The fourth proportional to 135,292.92, 186,705.99 and 84,326.28 is: 116,371.36
Step by Step Solution
- Step 1: Write the proportion equation
135,292.92 : 186,705.99 = 84,326.28 : x - Step 2: Convert to fraction form
135,292.92/186,705.99 = 84,326.28/x - Step 3: Cross multiply
135,292.92x = 186,705.99 × 84,326.28 - Step 4: Simplify right side
135,292.92x = 15,744,221,590.42 - Step 5: Solve for x
x = 15,744,221,590.42/135,292.92 - Step 6: Final answer
x = 116,371.36
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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.