Finding the Fourth Proportional to 300,253.92, 413,874 and 236,490.72
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Solution
The fourth proportional to 300,253.92, 413,874 and 236,490.72 is: 325,981.96
Step by Step Solution
- Step 1: Write the proportion equation
300,253.92 : 413,874 = 236,490.72 : x - Step 2: Convert to fraction form
300,253.92/413,874 = 236,490.72/x - Step 3: Cross multiply
300,253.92x = 413,874 × 236,490.72 - Step 4: Simplify right side
300,253.92x = 97,877,360,249.28 - Step 5: Solve for x
x = 97,877,360,249.28/300,253.92 - Step 6: Final answer
x = 325,981.96
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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.