Finding the Fourth Proportional to 147,161.25, 220,743.99 and 41,980.23
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Solution
The fourth proportional to 147,161.25, 220,743.99 and 41,980.23 is: 62,970.95
Step by Step Solution
- Step 1: Write the proportion equation
147,161.25 : 220,743.99 = 41,980.23 : x - Step 2: Convert to fraction form
147,161.25/220,743.99 = 41,980.23/x - Step 3: Cross multiply
147,161.25x = 220,743.99 × 41,980.23 - Step 4: Simplify right side
147,161.25x = 9,266,883,471.32 - Step 5: Solve for x
x = 9,266,883,471.32/147,161.25 - Step 6: Final answer
x = 62,970.95
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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.