Finding the Fourth Proportional to 320,680.62, 442,536.41 and 191,612.08
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Solution
The fourth proportional to 320,680.62, 442,536.41 and 191,612.08 is: 264,422.97
Step by Step Solution
- Step 1: Write the proportion equation
320,680.62 : 442,536.41 = 191,612.08 : x - Step 2: Convert to fraction form
320,680.62/442,536.41 = 191,612.08/x - Step 3: Cross multiply
320,680.62x = 442,536.41 × 191,612.08 - Step 4: Simplify right side
320,680.62x = 84,795,323,028.03 - Step 5: Solve for x
x = 84,795,323,028.03/320,680.62 - Step 6: Final answer
x = 264,422.97
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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.