Finding the Fourth Proportional to 299,203.20, 448,027.20 and 236,476.80
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Solution
The fourth proportional to 299,203.20, 448,027.20 and 236,476.80 is: 354,100.62
Step by Step Solution
- Step 1: Write the proportion equation
299,203.20 : 448,027.20 = 236,476.80 : x - Step 2: Convert to fraction form
299,203.20/448,027.20 = 236,476.80/x - Step 3: Cross multiply
299,203.20x = 448,027.20 × 236,476.80 - Step 4: Simplify right side
299,203.20x = 105,948,038,568.96 - Step 5: Solve for x
x = 105,948,038,568.96/299,203.20 - Step 6: Final answer
x = 354,100.62
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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.