Finding the Fourth Proportional to 236,634.96, 326,554.68 and 129,204.96
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Solution
The fourth proportional to 236,634.96, 326,554.68 and 129,204.96 is: 178,301.99
Step by Step Solution
- Step 1: Write the proportion equation
236,634.96 : 326,554.68 = 129,204.96 : x - Step 2: Convert to fraction form
236,634.96/326,554.68 = 129,204.96/x - Step 3: Cross multiply
236,634.96x = 326,554.68 × 129,204.96 - Step 4: Simplify right side
236,634.96x = 42,192,484,367.21 - Step 5: Solve for x
x = 42,192,484,367.21/236,634.96 - Step 6: Final answer
x = 178,301.99
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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.