Finding the Fourth Proportional to 161,761.80, 242,642.70 and 151,393.80
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Solution
The fourth proportional to 161,761.80, 242,642.70 and 151,393.80 is: 227,090.70
Step by Step Solution
- Step 1: Write the proportion equation
161,761.80 : 242,642.70 = 151,393.80 : x - Step 2: Convert to fraction form
161,761.80/242,642.70 = 151,393.80/x - Step 3: Cross multiply
161,761.80x = 242,642.70 × 151,393.80 - Step 4: Simplify right side
161,761.80x = 36,734,600,395.26 - Step 5: Solve for x
x = 36,734,600,395.26/161,761.80 - Step 6: Final answer
x = 227,090.70
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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.