Finding the Fourth Proportional to 418,714.92, 577,809.99 and 227,728.26
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Solution
The fourth proportional to 418,714.92, 577,809.99 and 227,728.26 is: 314,255.97
Step by Step Solution
- Step 1: Write the proportion equation
418,714.92 : 577,809.99 = 227,728.26 : x - Step 2: Convert to fraction form
418,714.92/577,809.99 = 227,728.26/x - Step 3: Cross multiply
418,714.92x = 577,809.99 × 227,728.26 - Step 4: Simplify right side
418,714.92x = 131,583,663,633.32 - Step 5: Solve for x
x = 131,583,663,633.32/418,714.92 - Step 6: Final answer
x = 314,255.97
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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.