Finding the Fourth Proportional to 291,302.73, 402,122.03 and 195,864.75
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Solution
The fourth proportional to 291,302.73, 402,122.03 and 195,864.75 is: 270,376.90
Step by Step Solution
- Step 1: Write the proportion equation
291,302.73 : 402,122.03 = 195,864.75 : x - Step 2: Convert to fraction form
291,302.73/402,122.03 = 195,864.75/x - Step 3: Cross multiply
291,302.73x = 402,122.03 × 195,864.75 - Step 4: Simplify right side
291,302.73x = 78,761,529,896.12 - Step 5: Solve for x
x = 78,761,529,896.12/291,302.73 - Step 6: Final answer
x = 270,376.90
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1.5x scale
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.