Finding the Fourth Proportional to 192,371.93, 265,472.70 and 107,489.06
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Solution
The fourth proportional to 192,371.93, 265,472.70 and 107,489.06 is: 148,334.59
Step by Step Solution
- Step 1: Write the proportion equation
192,371.93 : 265,472.70 = 107,489.06 : x - Step 2: Convert to fraction form
192,371.93/265,472.70 = 107,489.06/x - Step 3: Cross multiply
192,371.93x = 265,472.70 × 107,489.06 - Step 4: Simplify right side
192,371.93x = 28,535,410,978.66 - Step 5: Solve for x
x = 28,535,410,978.66/192,371.93 - Step 6: Final answer
x = 148,334.59
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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.