Finding the Fourth Proportional to 297,918.44, 411,129.20 and 161,953.44
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Solution
The fourth proportional to 297,918.44, 411,129.20 and 161,953.44 is: 223,496.70
Step by Step Solution
- Step 1: Write the proportion equation
297,918.44 : 411,129.20 = 161,953.44 : x - Step 2: Convert to fraction form
297,918.44/411,129.20 = 161,953.44/x - Step 3: Cross multiply
297,918.44x = 411,129.20 × 161,953.44 - Step 4: Simplify right side
297,918.44x = 66,583,788,224.45 - Step 5: Solve for x
x = 66,583,788,224.45/297,918.44 - Step 6: Final answer
x = 223,496.70
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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.