Finding the Fourth Proportional to 238,683.05, 329,301.99 and 135,306.15
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Solution
The fourth proportional to 238,683.05, 329,301.99 and 135,306.15 is: 186,676.79
Step by Step Solution
- Step 1: Write the proportion equation
238,683.05 : 329,301.99 = 135,306.15 : x - Step 2: Convert to fraction form
238,683.05/329,301.99 = 135,306.15/x - Step 3: Cross multiply
238,683.05x = 329,301.99 × 135,306.15 - Step 4: Simplify right side
238,683.05x = 44,556,585,712.43 - Step 5: Solve for x
x = 44,556,585,712.43/238,683.05 - Step 6: Final answer
x = 186,676.79
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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.