Finding the Fourth Proportional to 238,091.18, 357,136.95 and 71,879.18
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Solution
The fourth proportional to 238,091.18, 357,136.95 and 71,879.18 is: 107,818.82
Step by Step Solution
- Step 1: Write the proportion equation
238,091.18 : 357,136.95 = 71,879.18 : x - Step 2: Convert to fraction form
238,091.18/357,136.95 = 71,879.18/x - Step 3: Cross multiply
238,091.18x = 357,136.95 × 71,879.18 - Step 4: Simplify right side
238,091.18x = 25,670,711,113.70 - Step 5: Solve for x
x = 25,670,711,113.70/238,091.18 - Step 6: Final answer
x = 107,818.82
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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.