Finding the Fourth Proportional to 236,564.29, 326,453.92 and 129,133.99
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Solution
The fourth proportional to 236,564.29, 326,453.92 and 129,133.99 is: 178,202.29
Step by Step Solution
- Step 1: Write the proportion equation
236,564.29 : 326,453.92 = 129,133.99 : x - Step 2: Convert to fraction form
236,564.29/326,453.92 = 129,133.99/x - Step 3: Cross multiply
236,564.29x = 326,453.92 × 129,133.99 - Step 4: Simplify right side
236,564.29x = 42,156,297,240.74 - Step 5: Solve for x
x = 42,156,297,240.74/236,564.29 - Step 6: Final answer
x = 178,202.29
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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.