Finding the Fourth Proportional to 236,737.99, 326,696.49 and 129,308.09
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Solution
The fourth proportional to 236,737.99, 326,696.49 and 129,308.09 is: 178,444.10
Step by Step Solution
- Step 1: Write the proportion equation
236,737.99 : 326,696.49 = 129,308.09 : x - Step 2: Convert to fraction form
236,737.99/326,696.49 = 129,308.09/x - Step 3: Cross multiply
236,737.99x = 326,696.49 × 129,308.09 - Step 4: Simplify right side
236,737.99x = 42,244,498,485.06 - Step 5: Solve for x
x = 42,244,498,485.06/236,737.99 - Step 6: Final answer
x = 178,444.10
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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.