Finding the Fourth Proportional to 356,735.49, 492,225.61 and 211,514.44
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Solution
The fourth proportional to 356,735.49, 492,225.61 and 211,514.44 is: 291,848.80
Step by Step Solution
- Step 1: Write the proportion equation
356,735.49 : 492,225.61 = 211,514.44 : x - Step 2: Convert to fraction form
356,735.49/492,225.61 = 211,514.44/x - Step 3: Cross multiply
356,735.49x = 492,225.61 × 211,514.44 - Step 4: Simplify right side
356,735.49x = 104,112,823,812.97 - Step 5: Solve for x
x = 104,112,823,812.97/356,735.49 - Step 6: Final answer
x = 291,848.80
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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.