Finding the Fourth Proportional to 272,209.97, 375,639.92 and 149,701.29
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Solution
The fourth proportional to 272,209.97, 375,639.92 and 149,701.29 is: 206,582.37
Step by Step Solution
- Step 1: Write the proportion equation
272,209.97 : 375,639.92 = 149,701.29 : x - Step 2: Convert to fraction form
272,209.97/375,639.92 = 149,701.29/x - Step 3: Cross multiply
272,209.97x = 375,639.92 × 149,701.29 - Step 4: Simplify right side
272,209.97x = 56,233,778,347.04 - Step 5: Solve for x
x = 56,233,778,347.04/272,209.97 - Step 6: Final answer
x = 206,582.37
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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.