Finding the Fourth Proportional to 201,110.64, 301,664.29 and 81,165.75
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Solution
The fourth proportional to 201,110.64, 301,664.29 and 81,165.75 is: 121,747.95
Step by Step Solution
- Step 1: Write the proportion equation
201,110.64 : 301,664.29 = 81,165.75 : x - Step 2: Convert to fraction form
201,110.64/301,664.29 = 81,165.75/x - Step 3: Cross multiply
201,110.64x = 301,664.29 × 81,165.75 - Step 4: Simplify right side
201,110.64x = 24,484,808,346.07 - Step 5: Solve for x
x = 24,484,808,346.07/201,110.64 - Step 6: Final answer
x = 121,747.95
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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.