Finding the Fourth Proportional to 417,702.51, 576,429.99 and 226,715.97
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Solution
The fourth proportional to 417,702.51, 576,429.99 and 226,715.97 is: 312,868.32
Step by Step Solution
- Step 1: Write the proportion equation
417,702.51 : 576,429.99 = 226,715.97 : x - Step 2: Convert to fraction form
417,702.51/576,429.99 = 226,715.97/x - Step 3: Cross multiply
417,702.51x = 576,429.99 × 226,715.97 - Step 4: Simplify right side
417,702.51x = 130,685,884,319.94 - Step 5: Solve for x
x = 130,685,884,319.94/417,702.51 - Step 6: Final answer
x = 312,868.32
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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.