Finding the Fourth Proportional to 189,440.40, 261,409.14 and 104,551.98
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Solution
The fourth proportional to 189,440.40, 261,409.14 and 104,551.98 is: 144,271.46
Step by Step Solution
- Step 1: Write the proportion equation
189,440.40 : 261,409.14 = 104,551.98 : x - Step 2: Convert to fraction form
189,440.40/261,409.14 = 104,551.98/x - Step 3: Cross multiply
189,440.40x = 261,409.14 × 104,551.98 - Step 4: Simplify right side
189,440.40x = 27,330,843,177.10 - Step 5: Solve for x
x = 27,330,843,177.10/189,440.40 - Step 6: Final answer
x = 144,271.46
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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.