Finding the Fourth Proportional to 376,185.18, 519,135.56 and 215,043.82
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Solution
The fourth proportional to 376,185.18, 519,135.56 and 215,043.82 is: 296,760.48
Step by Step Solution
- Step 1: Write the proportion equation
376,185.18 : 519,135.56 = 215,043.82 : x - Step 2: Convert to fraction form
376,185.18/519,135.56 = 215,043.82/x - Step 3: Cross multiply
376,185.18x = 519,135.56 × 215,043.82 - Step 4: Simplify right side
376,185.18x = 111,636,893,920.24 - Step 5: Solve for x
x = 111,636,893,920.24/376,185.18 - Step 6: Final answer
x = 296,760.48
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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.