Finding the Fourth Proportional to 416,240.68, 574,412.10 and 225,254.08
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Solution
The fourth proportional to 416,240.68, 574,412.10 and 225,254.08 is: 310,850.61
Step by Step Solution
- Step 1: Write the proportion equation
416,240.68 : 574,412.10 = 225,254.08 : x - Step 2: Convert to fraction form
416,240.68/574,412.10 = 225,254.08/x - Step 3: Cross multiply
416,240.68x = 574,412.10 × 225,254.08 - Step 4: Simplify right side
416,240.68x = 129,388,669,126.37 - Step 5: Solve for x
x = 129,388,669,126.37/416,240.68 - Step 6: Final answer
x = 310,850.61
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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.