Finding the Fourth Proportional to 233,213.91, 349,806.95 and 137,205.07
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Solution
The fourth proportional to 233,213.91, 349,806.95 and 137,205.07 is: 205,799.42
Step by Step Solution
- Step 1: Write the proportion equation
233,213.91 : 349,806.95 = 137,205.07 : x - Step 2: Convert to fraction form
233,213.91/349,806.95 = 137,205.07/x - Step 3: Cross multiply
233,213.91x = 349,806.95 × 137,205.07 - Step 4: Simplify right side
233,213.91x = 47,995,286,015.21 - Step 5: Solve for x
x = 47,995,286,015.21/233,213.91 - Step 6: Final answer
x = 205,799.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.