Finding the Fourth Proportional to 471,365.40, 650,497.82 and 256,519.07
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Solution
The fourth proportional to 471,365.40, 650,497.82 and 256,519.07 is: 354,003.70
Step by Step Solution
- Step 1: Write the proportion equation
471,365.40 : 650,497.82 = 256,519.07 : x - Step 2: Convert to fraction form
471,365.40/650,497.82 = 256,519.07/x - Step 3: Cross multiply
471,365.40x = 650,497.82 × 256,519.07 - Step 4: Simplify right side
471,365.40x = 166,865,096,167.08 - Step 5: Solve for x
x = 166,865,096,167.08/471,365.40 - Step 6: Final answer
x = 354,003.70
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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.