Finding the Fourth Proportional to 189,571.47, 261,606.99 and 104,686.71
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Solution
The fourth proportional to 189,571.47, 261,606.99 and 104,686.71 is: 144,466.75
Step by Step Solution
- Step 1: Write the proportion equation
189,571.47 : 261,606.99 = 104,686.71 : x - Step 2: Convert to fraction form
189,571.47/261,606.99 = 104,686.71/x - Step 3: Cross multiply
189,571.47x = 261,606.99 × 104,686.71 - Step 4: Simplify right side
189,571.47x = 27,386,775,096.10 - Step 5: Solve for x
x = 27,386,775,096.10/189,571.47 - Step 6: Final answer
x = 144,466.75
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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.