Finding the Fourth Proportional to 236,954.08, 326,990.82 and 129,521.08
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Solution
The fourth proportional to 236,954.08, 326,990.82 and 129,521.08 is: 178,735.91
Step by Step Solution
- Step 1: Write the proportion equation
236,954.08 : 326,990.82 = 129,521.08 : x - Step 2: Convert to fraction form
236,954.08/326,990.82 = 129,521.08/x - Step 3: Cross multiply
236,954.08x = 326,990.82 × 129,521.08 - Step 4: Simplify right side
236,954.08x = 42,352,204,156.49 - Step 5: Solve for x
x = 42,352,204,156.49/236,954.08 - Step 6: Final answer
x = 178,735.91
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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.