Finding the Fourth Proportional to 417,714.71, 576,446.76 and 226,728.05
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Solution
The fourth proportional to 417,714.71, 576,446.76 and 226,728.05 is: 312,884.96
Step by Step Solution
- Step 1: Write the proportion equation
417,714.71 : 576,446.76 = 226,728.05 : x - Step 2: Convert to fraction form
417,714.71/576,446.76 = 226,728.05/x - Step 3: Cross multiply
417,714.71x = 576,446.76 × 226,728.05 - Step 4: Simplify right side
417,714.71x = 130,696,646,941.38 - Step 5: Solve for x
x = 130,696,646,941.38/417,714.71 - Step 6: Final answer
x = 312,884.96
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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.