Finding the Fourth Proportional to 449,858.88, 620,824.10 and 258,873.03
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Solution
The fourth proportional to 449,858.88, 620,824.10 and 258,873.03 is: 357,255.62
Step by Step Solution
- Step 1: Write the proportion equation
449,858.88 : 620,824.10 = 258,873.03 : x - Step 2: Convert to fraction form
449,858.88/620,824.10 = 258,873.03/x - Step 3: Cross multiply
449,858.88x = 620,824.10 × 258,873.03 - Step 4: Simplify right side
449,858.88x = 160,714,614,569.66 - Step 5: Solve for x
x = 160,714,614,569.66/449,858.88 - Step 6: Final answer
x = 357,255.62
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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.