Finding the Fourth Proportional to 247,379.91, 341,232.39 and 218,607.23
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Solution
The fourth proportional to 247,379.91, 341,232.39 and 218,607.23 is: 301,543.75
Step by Step Solution
- Step 1: Write the proportion equation
247,379.91 : 341,232.39 = 218,607.23 : x - Step 2: Convert to fraction form
247,379.91/341,232.39 = 218,607.23/x - Step 3: Cross multiply
247,379.91x = 341,232.39 × 218,607.23 - Step 4: Simplify right side
247,379.91x = 74,595,865,858.02 - Step 5: Solve for x
x = 74,595,865,858.02/247,379.91 - Step 6: Final answer
x = 301,543.75
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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.