Finding the Fourth Proportional to 194,837.28, 268,875.84 and 108,795.84
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Solution
The fourth proportional to 194,837.28, 268,875.84 and 108,795.84 is: 150,138.48
Step by Step Solution
- Step 1: Write the proportion equation
194,837.28 : 268,875.84 = 108,795.84 : x - Step 2: Convert to fraction form
194,837.28/268,875.84 = 108,795.84/x - Step 3: Cross multiply
194,837.28x = 268,875.84 × 108,795.84 - Step 4: Simplify right side
194,837.28x = 29,252,572,868.51 - Step 5: Solve for x
x = 29,252,572,868.51/194,837.28 - Step 6: Final answer
x = 150,138.48
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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.