Finding the Fourth Proportional to 230,979.30, 318,848.67 and 140,364.42
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Solution
The fourth proportional to 230,979.30, 318,848.67 and 140,364.42 is: 193,761.99
Step by Step Solution
- Step 1: Write the proportion equation
230,979.30 : 318,848.67 = 140,364.42 : x - Step 2: Convert to fraction form
230,979.30/318,848.67 = 140,364.42/x - Step 3: Cross multiply
230,979.30x = 318,848.67 × 140,364.42 - Step 4: Simplify right side
230,979.30x = 44,755,008,632.32 - Step 5: Solve for x
x = 44,755,008,632.32/230,979.30 - Step 6: Final answer
x = 193,761.99
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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.