Finding the Fourth Proportional to 417,706.29, 576,435.78 and 226,719.68
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Solution
The fourth proportional to 417,706.29, 576,435.78 and 226,719.68 is: 312,873.75
Step by Step Solution
- Step 1: Write the proportion equation
417,706.29 : 576,435.78 = 226,719.68 : x - Step 2: Convert to fraction form
417,706.29/576,435.78 = 226,719.68/x - Step 3: Cross multiply
417,706.29x = 576,435.78 × 226,719.68 - Step 4: Simplify right side
417,706.29x = 130,689,332,699.97 - Step 5: Solve for x
x = 130,689,332,699.97/417,706.29 - Step 6: Final answer
x = 312,873.75
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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.