Finding the Fourth Proportional to 180,270.47, 248,772.77 and 103,761.62
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Solution
The fourth proportional to 180,270.47, 248,772.77 and 103,761.62 is: 143,190.75
Step by Step Solution
- Step 1: Write the proportion equation
180,270.47 : 248,772.77 = 103,761.62 : x - Step 2: Convert to fraction form
180,270.47/248,772.77 = 103,761.62/x - Step 3: Cross multiply
180,270.47x = 248,772.77 × 103,761.62 - Step 4: Simplify right side
180,270.47x = 25,813,063,864.42 - Step 5: Solve for x
x = 25,813,063,864.42/180,270.47 - Step 6: Final answer
x = 143,190.75
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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.