Finding the Fourth Proportional to 199,828.44, 299,677.05 and 66,672.95
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Solution
The fourth proportional to 199,828.44, 299,677.05 and 66,672.95 is: 99,987.53
Step by Step Solution
- Step 1: Write the proportion equation
199,828.44 : 299,677.05 = 66,672.95 : x - Step 2: Convert to fraction form
199,828.44/299,677.05 = 66,672.95/x - Step 3: Cross multiply
199,828.44x = 299,677.05 × 66,672.95 - Step 4: Simplify right side
199,828.44x = 19,980,351,472.41 - Step 5: Solve for x
x = 19,980,351,472.41/199,828.44 - Step 6: Final answer
x = 99,987.53
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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.