Finding the Fourth Proportional to 290,321.42, 435,370.16 and 112,805.06
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Solution
The fourth proportional to 290,321.42, 435,370.16 and 112,805.06 is: 169,164.08
Step by Step Solution
- Step 1: Write the proportion equation
290,321.42 : 435,370.16 = 112,805.06 : x - Step 2: Convert to fraction form
290,321.42/435,370.16 = 112,805.06/x - Step 3: Cross multiply
290,321.42x = 435,370.16 × 112,805.06 - Step 4: Simplify right side
290,321.42x = 49,111,957,021.01 - Step 5: Solve for x
x = 49,111,957,021.01/290,321.42 - Step 6: Final answer
x = 169,164.08
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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.