Finding the Fourth Proportional to 189,307.08, 261,243.36 and 104,424.48
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Solution
The fourth proportional to 189,307.08, 261,243.36 and 104,424.48 is: 144,105.56
Step by Step Solution
- Step 1: Write the proportion equation
189,307.08 : 261,243.36 = 104,424.48 : x - Step 2: Convert to fraction form
189,307.08/261,243.36 = 104,424.48/x - Step 3: Cross multiply
189,307.08x = 261,243.36 × 104,424.48 - Step 4: Simplify right side
189,307.08x = 27,280,202,021.45 - Step 5: Solve for x
x = 27,280,202,021.45/189,307.08 - Step 6: Final answer
x = 144,105.56
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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.