Finding the Fourth Proportional to 189,323.64, 261,267.48 and 104,440.68
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Solution
The fourth proportional to 189,323.64, 261,267.48 and 104,440.68 is: 144,128.61
Step by Step Solution
- Step 1: Write the proportion equation
189,323.64 : 261,267.48 = 104,440.68 : x - Step 2: Convert to fraction form
189,323.64/261,267.48 = 104,440.68/x - Step 3: Cross multiply
189,323.64x = 261,267.48 × 104,440.68 - Step 4: Simplify right side
189,323.64x = 27,286,953,273.09 - Step 5: Solve for x
x = 27,286,953,273.09/189,323.64 - Step 6: Final answer
x = 144,128.61
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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.