Finding the Fourth Proportional to 309,394.24, 426,165.44 and 218,592.58
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Solution
The fourth proportional to 309,394.24, 426,165.44 and 218,592.58 is: 301,093.53
Step by Step Solution
- Step 1: Write the proportion equation
309,394.24 : 426,165.44 = 218,592.58 : x - Step 2: Convert to fraction form
309,394.24/426,165.44 = 218,592.58/x - Step 3: Cross multiply
309,394.24x = 426,165.44 × 218,592.58 - Step 4: Simplify right side
309,394.24x = 93,156,603,036.44 - Step 5: Solve for x
x = 93,156,603,036.44/309,394.24 - Step 6: Final answer
x = 301,093.53
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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.