Finding the Fourth Proportional to 358,611.81, 494,887.95 and 197,481.84
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Solution
The fourth proportional to 358,611.81, 494,887.95 and 197,481.84 is: 272,526.95
Step by Step Solution
- Step 1: Write the proportion equation
358,611.81 : 494,887.95 = 197,481.84 : x - Step 2: Convert to fraction form
358,611.81/494,887.95 = 197,481.84/x - Step 3: Cross multiply
358,611.81x = 494,887.95 × 197,481.84 - Step 4: Simplify right side
358,611.81x = 97,731,382,959.83 - Step 5: Solve for x
x = 97,731,382,959.83/358,611.81 - Step 6: Final answer
x = 272,526.95
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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.