Finding the Fourth Proportional to 144,438.49, 199,375.22 and 99,266.00
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Solution
The fourth proportional to 144,438.49, 199,375.22 and 99,266.00 is: 137,021.52
Step by Step Solution
- Step 1: Write the proportion equation
144,438.49 : 199,375.22 = 99,266.00 : x - Step 2: Convert to fraction form
144,438.49/199,375.22 = 99,266.00/x - Step 3: Cross multiply
144,438.49x = 199,375.22 × 99,266.00 - Step 4: Simplify right side
144,438.49x = 19,791,180,590.63 - Step 5: Solve for x
x = 19,791,180,590.63/144,438.49 - Step 6: Final answer
x = 137,021.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.