Finding the Fourth Proportional to 186,533.96, 279,566.80 and 146,934.68
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Solution
The fourth proportional to 186,533.96, 279,566.80 and 146,934.68 is: 220,217.59
Step by Step Solution
- Step 1: Write the proportion equation
186,533.96 : 279,566.80 = 146,934.68 : x - Step 2: Convert to fraction form
186,533.96/279,566.80 = 146,934.68/x - Step 3: Cross multiply
186,533.96x = 279,566.80 × 146,934.68 - Step 4: Simplify right side
186,533.96x = 41,078,058,296.62 - Step 5: Solve for x
x = 41,078,058,296.62/186,533.96 - Step 6: Final answer
x = 220,217.59
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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.