Finding the Fourth Proportional to 462,392.26, 693,588.40 and 129,968.26
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Solution
The fourth proportional to 462,392.26, 693,588.40 and 129,968.26 is: 194,952.39
Step by Step Solution
- Step 1: Write the proportion equation
462,392.26 : 693,588.40 = 129,968.26 : x - Step 2: Convert to fraction form
462,392.26/693,588.40 = 129,968.26/x - Step 3: Cross multiply
462,392.26x = 693,588.40 × 129,968.26 - Step 4: Simplify right side
462,392.26x = 90,144,477,504.18 - Step 5: Solve for x
x = 90,144,477,504.18/462,392.26 - Step 6: Final answer
x = 194,952.39
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Similar ratio
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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.