Finding the Fourth Proportional to 300,023.39, 413,837.20 and 192,422.99
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Solution
The fourth proportional to 300,023.39, 413,837.20 and 192,422.99 is: 265,418.61
Step by Step Solution
- Step 1: Write the proportion equation
300,023.39 : 413,837.20 = 192,422.99 : x - Step 2: Convert to fraction form
300,023.39/413,837.20 = 192,422.99/x - Step 3: Cross multiply
300,023.39x = 413,837.20 × 192,422.99 - Step 4: Simplify right side
300,023.39x = 79,631,792,672.35 - Step 5: Solve for x
x = 79,631,792,672.35/300,023.39 - Step 6: Final answer
x = 265,418.61
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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.