Finding the Fourth Proportional to 227,122.02, 313,438.95 and 131,658.66
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Solution
The fourth proportional to 227,122.02, 313,438.95 and 131,658.66 is: 181,695.07
Step by Step Solution
- Step 1: Write the proportion equation
227,122.02 : 313,438.95 = 131,658.66 : x - Step 2: Convert to fraction form
227,122.02/313,438.95 = 131,658.66/x - Step 3: Cross multiply
227,122.02x = 313,438.95 × 131,658.66 - Step 4: Simplify right side
227,122.02x = 41,266,952,148.81 - Step 5: Solve for x
x = 41,266,952,148.81/227,122.02 - Step 6: Final answer
x = 181,695.07
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1.5x scale
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.