Finding the Fourth Proportional to 291,219.92, 402,007.49 and 195,781.97
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Solution
The fourth proportional to 291,219.92, 402,007.49 and 195,781.97 is: 270,262.48
Step by Step Solution
- Step 1: Write the proportion equation
291,219.92 : 402,007.49 = 195,781.97 : x - Step 2: Convert to fraction form
291,219.92/402,007.49 = 195,781.97/x - Step 3: Cross multiply
291,219.92x = 402,007.49 × 195,781.97 - Step 4: Simplify right side
291,219.92x = 78,705,817,368.05 - Step 5: Solve for x
x = 78,705,817,368.05/291,219.92 - Step 6: Final answer
x = 270,262.48
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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.