Finding the Fourth Proportional to 438,192.84, 604,704.36 and 247,206.24
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Solution
The fourth proportional to 438,192.84, 604,704.36 and 247,206.24 is: 341,143.62
Step by Step Solution
- Step 1: Write the proportion equation
438,192.84 : 604,704.36 = 247,206.24 : x - Step 2: Convert to fraction form
438,192.84/604,704.36 = 247,206.24/x - Step 3: Cross multiply
438,192.84x = 604,704.36 × 247,206.24 - Step 4: Simplify right side
438,192.84x = 149,486,691,147.21 - Step 5: Solve for x
x = 149,486,691,147.21/438,192.84 - Step 6: Final answer
x = 341,143.62
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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.