Finding the Fourth Proportional to 377,490.14, 520,914.74 and 207,724.26
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Solution
The fourth proportional to 377,490.14, 520,914.74 and 207,724.26 is: 286,647.56
Step by Step Solution
- Step 1: Write the proportion equation
377,490.14 : 520,914.74 = 207,724.26 : x - Step 2: Convert to fraction form
377,490.14/520,914.74 = 207,724.26/x - Step 3: Cross multiply
377,490.14x = 520,914.74 × 207,724.26 - Step 4: Simplify right side
377,490.14x = 108,206,627,850.97 - Step 5: Solve for x
x = 108,206,627,850.97/377,490.14 - Step 6: Final answer
x = 286,647.56
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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.