Finding the Fourth Proportional to 471,143.19, 650,174.67 and 256,284.09
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Solution
The fourth proportional to 471,143.19, 650,174.67 and 256,284.09 is: 353,670.45
Step by Step Solution
- Step 1: Write the proportion equation
471,143.19 : 650,174.67 = 256,284.09 : x - Step 2: Convert to fraction form
471,143.19/650,174.67 = 256,284.09/x - Step 3: Cross multiply
471,143.19x = 650,174.67 × 256,284.09 - Step 4: Simplify right side
471,143.19x = 166,629,423,642.00 - Step 5: Solve for x
x = 166,629,423,642.00/471,143.19 - Step 6: Final answer
x = 353,670.45
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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.