Finding the Fourth Proportional to 189,448.46, 261,420.26 and 104,560.05
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Solution
The fourth proportional to 189,448.46, 261,420.26 and 104,560.05 is: 144,282.60
Step by Step Solution
- Step 1: Write the proportion equation
189,448.46 : 261,420.26 = 104,560.05 : x - Step 2: Convert to fraction form
189,448.46/261,420.26 = 104,560.05/x - Step 3: Cross multiply
189,448.46x = 261,420.26 × 104,560.05 - Step 4: Simplify right side
189,448.46x = 27,334,114,933.81 - Step 5: Solve for x
x = 27,334,114,933.81/189,448.46 - Step 6: Final answer
x = 144,282.60
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1.5x scale
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.