Finding the Fourth Proportional to 930,132.40, 1,395,198.60 and 256,317.70
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Solution
The fourth proportional to 930,132.40, 1,395,198.60 and 256,317.70 is: 384,476.55
Step by Step Solution
- Step 1: Write the proportion equation
930,132.40 : 1,395,198.60 = 256,317.70 : x - Step 2: Convert to fraction form
930,132.40/1,395,198.60 = 256,317.70/x - Step 3: Cross multiply
930,132.40x = 1,395,198.60 × 256,317.70 - Step 4: Simplify right side
930,132.40x = 357,614,096,195.22 - Step 5: Solve for x
x = 357,614,096,195.22/930,132.40 - Step 6: Final answer
x = 384,476.55
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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.