Finding the Fourth Proportional to 144,283.05, 216,448.29 and 44,443.26
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Solution
The fourth proportional to 144,283.05, 216,448.29 and 44,443.26 is: 66,672.19
Step by Step Solution
- Step 1: Write the proportion equation
144,283.05 : 216,448.29 = 44,443.26 : x - Step 2: Convert to fraction form
144,283.05/216,448.29 = 44,443.26/x - Step 3: Cross multiply
144,283.05x = 216,448.29 × 44,443.26 - Step 4: Simplify right side
144,283.05x = 9,619,667,629.03 - Step 5: Solve for x
x = 9,619,667,629.03/144,283.05 - Step 6: Final answer
x = 66,672.19
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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.