Finding the Fourth Proportional to 290,462.13, 435,767.12 and 170,620.43
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Solution
The fourth proportional to 290,462.13, 435,767.12 and 170,620.43 is: 255,974.07
Step by Step Solution
- Step 1: Write the proportion equation
290,462.13 : 435,767.12 = 170,620.43 : x - Step 2: Convert to fraction form
290,462.13/435,767.12 = 170,620.43/x - Step 3: Cross multiply
290,462.13x = 435,767.12 × 170,620.43 - Step 4: Simplify right side
290,462.13x = 74,350,773,394.26 - Step 5: Solve for x
x = 74,350,773,394.26/290,462.13 - Step 6: Final answer
x = 255,974.07
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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.