Finding the Fourth Proportional to 297,901.99, 411,108.72 and 161,938.03
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Solution
The fourth proportional to 297,901.99, 411,108.72 and 161,938.03 is: 223,476.64
Step by Step Solution
- Step 1: Write the proportion equation
297,901.99 : 411,108.72 = 161,938.03 : x - Step 2: Convert to fraction form
297,901.99/411,108.72 = 161,938.03/x - Step 3: Cross multiply
297,901.99x = 411,108.72 × 161,938.03 - Step 4: Simplify right side
297,901.99x = 66,574,136,232.62 - Step 5: Solve for x
x = 66,574,136,232.62/297,901.99 - Step 6: Final answer
x = 223,476.64
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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.