Finding the Fourth Proportional to 273,215.83, 377,331.90 and 207,989.23
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Solution
The fourth proportional to 273,215.83, 377,331.90 and 207,989.23 is: 287,248.99
Step by Step Solution
- Step 1: Write the proportion equation
273,215.83 : 377,331.90 = 207,989.23 : x - Step 2: Convert to fraction form
273,215.83/377,331.90 = 207,989.23/x - Step 3: Cross multiply
273,215.83x = 377,331.90 × 207,989.23 - Step 4: Simplify right side
273,215.83x = 78,480,969,448.78 - Step 5: Solve for x
x = 78,480,969,448.78/273,215.83 - Step 6: Final answer
x = 287,248.99
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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.