Finding the Fourth Proportional to 239,632.49, 330,690.98 and 132,207.05
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Solution
The fourth proportional to 239,632.49, 330,690.98 and 132,207.05 is: 182,444.70
Step by Step Solution
- Step 1: Write the proportion equation
239,632.49 : 330,690.98 = 132,207.05 : x - Step 2: Convert to fraction form
239,632.49/330,690.98 = 132,207.05/x - Step 3: Cross multiply
239,632.49x = 330,690.98 × 132,207.05 - Step 4: Simplify right side
239,632.49x = 43,719,677,604.47 - Step 5: Solve for x
x = 43,719,677,604.47/239,632.49 - Step 6: Final answer
x = 182,444.70
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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.