Finding the Fourth Proportional to 377,712.18, 521,272.26 and 207,976.68
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Solution
The fourth proportional to 377,712.18, 521,272.26 and 207,976.68 is: 287,024.04
Step by Step Solution
- Step 1: Write the proportion equation
377,712.18 : 521,272.26 = 207,976.68 : x - Step 2: Convert to fraction form
377,712.18/521,272.26 = 207,976.68/x - Step 3: Cross multiply
377,712.18x = 521,272.26 × 207,976.68 - Step 4: Simplify right side
377,712.18x = 108,412,474,010.90 - Step 5: Solve for x
x = 108,412,474,010.90/377,712.18 - Step 6: Final answer
x = 287,024.04
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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.