Finding the Fourth Proportional to 371,207.60, 512,267.80 and 201,441.68
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Solution
The fourth proportional to 371,207.60, 512,267.80 and 201,441.68 is: 277,990.23
Step by Step Solution
- Step 1: Write the proportion equation
371,207.60 : 512,267.80 = 201,441.68 : x - Step 2: Convert to fraction form
371,207.60/512,267.80 = 201,441.68/x - Step 3: Cross multiply
371,207.60x = 512,267.80 × 201,441.68 - Step 4: Simplify right side
371,207.60x = 103,192,086,241.90 - Step 5: Solve for x
x = 103,192,086,241.90/371,207.60 - Step 6: Final answer
x = 277,990.23
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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.