Finding the Fourth Proportional to 189,495.18, 261,501.66 and 104,610.42
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Solution
The fourth proportional to 189,495.18, 261,501.66 and 104,610.42 is: 144,361.45
Step by Step Solution
- Step 1: Write the proportion equation
189,495.18 : 261,501.66 = 104,610.42 : x - Step 2: Convert to fraction form
189,495.18/261,501.66 = 104,610.42/x - Step 3: Cross multiply
189,495.18x = 261,501.66 × 104,610.42 - Step 4: Simplify right side
189,495.18x = 27,355,798,483.30 - Step 5: Solve for x
x = 27,355,798,483.30/189,495.18 - Step 6: Final answer
x = 144,361.45
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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.