Finding the Fourth Proportional to 417,689.62, 576,412.08 and 226,703.08
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Solution
The fourth proportional to 417,689.62, 576,412.08 and 226,703.08 is: 312,850.47
Step by Step Solution
- Step 1: Write the proportion equation
417,689.62 : 576,412.08 = 226,703.08 : x - Step 2: Convert to fraction form
417,689.62/576,412.08 = 226,703.08/x - Step 3: Cross multiply
417,689.62x = 576,412.08 × 226,703.08 - Step 4: Simplify right side
417,689.62x = 130,674,393,885.21 - Step 5: Solve for x
x = 130,674,393,885.21/417,689.62 - Step 6: Final answer
x = 312,850.47
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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.