Finding the Fourth Proportional to 201,807.21, 278,493.93 and 116,973.48
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Solution
The fourth proportional to 201,807.21, 278,493.93 and 116,973.48 is: 161,423.39
Step by Step Solution
- Step 1: Write the proportion equation
201,807.21 : 278,493.93 = 116,973.48 : x - Step 2: Convert to fraction form
201,807.21/278,493.93 = 116,973.48/x - Step 3: Cross multiply
201,807.21x = 278,493.93 × 116,973.48 - Step 4: Simplify right side
201,807.21x = 32,576,404,150.98 - Step 5: Solve for x
x = 32,576,404,150.98/201,807.21 - Step 6: Final answer
x = 161,423.39
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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.