Finding the Fourth Proportional to 186,531.96, 279,563.80 and 146,932.68
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Solution
The fourth proportional to 186,531.96, 279,563.80 and 146,932.68 is: 220,214.59
Step by Step Solution
- Step 1: Write the proportion equation
186,531.96 : 279,563.80 = 146,932.68 : x - Step 2: Convert to fraction form
186,531.96/279,563.80 = 146,932.68/x - Step 3: Cross multiply
186,531.96x = 279,563.80 × 146,932.68 - Step 4: Simplify right side
186,531.96x = 41,077,058,364.98 - Step 5: Solve for x
x = 41,077,058,364.98/186,531.96 - Step 6: Final answer
x = 220,214.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.