Finding the Fourth Proportional to 342,213.44, 472,246.34 and 199,023.26
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Solution
The fourth proportional to 342,213.44, 472,246.34 and 199,023.26 is: 274,647.33
Step by Step Solution
- Step 1: Write the proportion equation
342,213.44 : 472,246.34 = 199,023.26 : x - Step 2: Convert to fraction form
342,213.44/472,246.34 = 199,023.26/x - Step 3: Cross multiply
342,213.44x = 472,246.34 × 199,023.26 - Step 4: Simplify right side
342,213.44x = 93,988,006,109.87 - Step 5: Solve for x
x = 93,988,006,109.87/342,213.44 - Step 6: Final answer
x = 274,647.33
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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.