Finding the Fourth Proportional to 194,641.74, 268,605.99 and 105,217.74
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Solution
The fourth proportional to 194,641.74, 268,605.99 and 105,217.74 is: 145,200.69
Step by Step Solution
- Step 1: Write the proportion equation
194,641.74 : 268,605.99 = 105,217.74 : x - Step 2: Convert to fraction form
194,641.74/268,605.99 = 105,217.74/x - Step 3: Cross multiply
194,641.74x = 268,605.99 × 105,217.74 - Step 4: Simplify right side
194,641.74x = 28,262,115,218.26 - Step 5: Solve for x
x = 28,262,115,218.26/194,641.74 - Step 6: Final answer
x = 145,200.69
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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.