Finding the Fourth Proportional to 300,982.62, 415,398.33 and 186,298.05
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Solution
The fourth proportional to 300,982.62, 415,398.33 and 186,298.05 is: 257,117.50
Step by Step Solution
- Step 1: Write the proportion equation
300,982.62 : 415,398.33 = 186,298.05 : x - Step 2: Convert to fraction form
300,982.62/415,398.33 = 186,298.05/x - Step 3: Cross multiply
300,982.62x = 415,398.33 × 186,298.05 - Step 4: Simplify right side
300,982.62x = 77,387,898,852.26 - Step 5: Solve for x
x = 77,387,898,852.26/300,982.62 - Step 6: Final answer
x = 257,117.50
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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.