Finding the Fourth Proportional to 181,221.21, 249,998.49 and 127,536.03
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Solution
The fourth proportional to 181,221.21, 249,998.49 and 127,536.03 is: 175,938.65
Step by Step Solution
- Step 1: Write the proportion equation
181,221.21 : 249,998.49 = 127,536.03 : x - Step 2: Convert to fraction form
181,221.21/249,998.49 = 127,536.03/x - Step 3: Cross multiply
181,221.21x = 249,998.49 × 127,536.03 - Step 4: Simplify right side
181,221.21x = 31,883,814,920.59 - Step 5: Solve for x
x = 31,883,814,920.59/181,221.21 - Step 6: Final answer
x = 175,938.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.