Finding the Fourth Proportional to 144,453.44, 216,502.68 and 81,140.48
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Solution
The fourth proportional to 144,453.44, 216,502.68 and 81,140.48 is: 121,611.02
Step by Step Solution
- Step 1: Write the proportion equation
144,453.44 : 216,502.68 = 81,140.48 : x - Step 2: Convert to fraction form
144,453.44/216,502.68 = 81,140.48/x - Step 3: Cross multiply
144,453.44x = 216,502.68 × 81,140.48 - Step 4: Simplify right side
144,453.44x = 17,567,130,293.97 - Step 5: Solve for x
x = 17,567,130,293.97/144,453.44 - Step 6: Final answer
x = 121,611.02
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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.