Finding the Fourth Proportional to 212,030.77, 292,604.72 and 115,234.62
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Solution
The fourth proportional to 212,030.77, 292,604.72 and 115,234.62 is: 159,025.00
Step by Step Solution
- Step 1: Write the proportion equation
212,030.77 : 292,604.72 = 115,234.62 : x - Step 2: Convert to fraction form
212,030.77/292,604.72 = 115,234.62/x - Step 3: Cross multiply
212,030.77x = 292,604.72 × 115,234.62 - Step 4: Simplify right side
212,030.77x = 33,718,193,018.26 - Step 5: Solve for x
x = 33,718,193,018.26/212,030.77 - Step 6: Final answer
x = 159,025.00
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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.