Finding the Fourth Proportional to 299,586.24, 412,860.78 and 214,555.68
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Solution
The fourth proportional to 299,586.24, 412,860.78 and 214,555.68 is: 295,679.89
Step by Step Solution
- Step 1: Write the proportion equation
299,586.24 : 412,860.78 = 214,555.68 : x - Step 2: Convert to fraction form
299,586.24/412,860.78 = 214,555.68/x - Step 3: Cross multiply
299,586.24x = 412,860.78 × 214,555.68 - Step 4: Simplify right side
299,586.24x = 88,581,625,398.23 - Step 5: Solve for x
x = 88,581,625,398.23/299,586.24 - Step 6: Final answer
x = 295,679.89
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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.