Finding the Fourth Proportional to 750,192.39, 1,125,405.23 and 251,439.75
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Solution
The fourth proportional to 750,192.39, 1,125,405.23 and 251,439.75 is: 377,198.72
Step by Step Solution
- Step 1: Write the proportion equation
750,192.39 : 1,125,405.23 = 251,439.75 : x - Step 2: Convert to fraction form
750,192.39/1,125,405.23 = 251,439.75/x - Step 3: Cross multiply
750,192.39x = 1,125,405.23 × 251,439.75 - Step 4: Simplify right side
750,192.39x = 282,971,608,422.69 - Step 5: Solve for x
x = 282,971,608,422.69/750,192.39 - Step 6: Final answer
x = 377,198.72
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1.5x scale
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.