Finding the Fourth Proportional to 251,390.58, 347,030.84 and 149,449.05
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Solution
The fourth proportional to 251,390.58, 347,030.84 and 149,449.05 is: 206,306.17
Step by Step Solution
- Step 1: Write the proportion equation
251,390.58 : 347,030.84 = 149,449.05 : x - Step 2: Convert to fraction form
251,390.58/347,030.84 = 149,449.05/x - Step 3: Cross multiply
251,390.58x = 347,030.84 × 149,449.05 - Step 4: Simplify right side
251,390.58x = 51,863,428,611.46 - Step 5: Solve for x
x = 51,863,428,611.46/251,390.58 - Step 6: Final answer
x = 206,306.17
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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.