Finding the Fourth Proportional to 417,696.62, 576,421.88 and 226,710
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Solution
The fourth proportional to 417,696.62, 576,421.88 and 226,710 is: 312,860.10
Step by Step Solution
- Step 1: Write the proportion equation
417,696.62 : 576,421.88 = 226,710 : x - Step 2: Convert to fraction form
417,696.62/576,421.88 = 226,710/x - Step 3: Cross multiply
417,696.62x = 576,421.88 × 226,710 - Step 4: Simplify right side
417,696.62x = 130,680,603,281.25 - Step 5: Solve for x
x = 130,680,603,281.25/417,696.62 - Step 6: Final answer
x = 312,860.10
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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.