Finding the Fourth Proportional to 373,317.80, 559,976.70 and 136,581.80
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Solution
The fourth proportional to 373,317.80, 559,976.70 and 136,581.80 is: 204,872.70
Step by Step Solution
- Step 1: Write the proportion equation
373,317.80 : 559,976.70 = 136,581.80 : x - Step 2: Convert to fraction form
373,317.80/559,976.70 = 136,581.80/x - Step 3: Cross multiply
373,317.80x = 559,976.70 × 136,581.80 - Step 4: Simplify right side
373,317.80x = 76,482,625,644.06 - Step 5: Solve for x
x = 76,482,625,644.06/373,317.80 - Step 6: Final answer
x = 204,872.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.