Finding the Fourth Proportional to 324,962.40, 448,445.04 and 181,720.80
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Solution
The fourth proportional to 324,962.40, 448,445.04 and 181,720.80 is: 250,772.99
Step by Step Solution
- Step 1: Write the proportion equation
324,962.40 : 448,445.04 = 181,720.80 : x - Step 2: Convert to fraction form
324,962.40/448,445.04 = 181,720.80/x - Step 3: Cross multiply
324,962.40x = 448,445.04 × 181,720.80 - Step 4: Simplify right side
324,962.40x = 81,491,791,424.83 - Step 5: Solve for x
x = 81,491,791,424.83/324,962.40 - Step 6: Final answer
x = 250,772.99
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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.