Finding the Fourth Proportional to 376,631.26, 519,841.65 and 215,579.68
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Solution
The fourth proportional to 376,631.26, 519,841.65 and 215,579.68 is: 297,551.77
Step by Step Solution
- Step 1: Write the proportion equation
376,631.26 : 519,841.65 = 215,579.68 : x - Step 2: Convert to fraction form
376,631.26/519,841.65 = 215,579.68/x - Step 3: Cross multiply
376,631.26x = 519,841.65 × 215,579.68 - Step 4: Simplify right side
376,631.26x = 112,067,296,557.67 - Step 5: Solve for x
x = 112,067,296,557.67/376,631.26 - Step 6: Final answer
x = 297,551.77
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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.