Finding the Fourth Proportional to 376,879.19, 519,859.98 and 247,832.49
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Solution
The fourth proportional to 376,879.19, 519,859.98 and 247,832.49 is: 341,855.42
Step by Step Solution
- Step 1: Write the proportion equation
376,879.19 : 519,859.98 = 247,832.49 : x - Step 2: Convert to fraction form
376,879.19/519,859.98 = 247,832.49/x - Step 3: Cross multiply
376,879.19x = 519,859.98 × 247,832.49 - Step 4: Simplify right side
376,879.19x = 128,838,193,294.75 - Step 5: Solve for x
x = 128,838,193,294.75/376,879.19 - Step 6: Final answer
x = 341,855.42
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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.