Finding the Fourth Proportional to 239,957.24, 331,205.04 and 137,993.84
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Solution
The fourth proportional to 239,957.24, 331,205.04 and 137,993.84 is: 190,468.33
Step by Step Solution
- Step 1: Write the proportion equation
239,957.24 : 331,205.04 = 137,993.84 : x - Step 2: Convert to fraction form
239,957.24/331,205.04 = 137,993.84/x - Step 3: Cross multiply
239,957.24x = 331,205.04 × 137,993.84 - Step 4: Simplify right side
239,957.24x = 45,704,255,296.95 - Step 5: Solve for x
x = 45,704,255,296.95/239,957.24 - Step 6: Final answer
x = 190,468.33
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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.