Finding the Fourth Proportional to 272,536.41, 408,859.29 and 94,995.75
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Solution
The fourth proportional to 272,536.41, 408,859.29 and 94,995.75 is: 142,512.68
Step by Step Solution
- Step 1: Write the proportion equation
272,536.41 : 408,859.29 = 94,995.75 : x - Step 2: Convert to fraction form
272,536.41/408,859.29 = 94,995.75/x - Step 3: Cross multiply
272,536.41x = 408,859.29 × 94,995.75 - Step 4: Simplify right side
272,536.41x = 38,839,894,898.02 - Step 5: Solve for x
x = 38,839,894,898.02/272,536.41 - Step 6: Final answer
x = 142,512.68
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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.