Finding the Fourth Proportional to 341,319.40, 471,032.09 and 186,279.19
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Solution
The fourth proportional to 341,319.40, 471,032.09 and 186,279.19 is: 257,071.46
Step by Step Solution
- Step 1: Write the proportion equation
341,319.40 : 471,032.09 = 186,279.19 : x - Step 2: Convert to fraction form
341,319.40/471,032.09 = 186,279.19/x - Step 3: Cross multiply
341,319.40x = 471,032.09 × 186,279.19 - Step 4: Simplify right side
341,319.40x = 87,743,476,189.21 - Step 5: Solve for x
x = 87,743,476,189.21/341,319.40 - Step 6: Final answer
x = 257,071.46
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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.