Finding the Fourth Proportional to 178,864.03, 246,729.58 and 111,679.39
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Solution
The fourth proportional to 178,864.03, 246,729.58 and 111,679.39 is: 154,053.38
Step by Step Solution
- Step 1: Write the proportion equation
178,864.03 : 246,729.58 = 111,679.39 : x - Step 2: Convert to fraction form
178,864.03/246,729.58 = 111,679.39/x - Step 3: Cross multiply
178,864.03x = 246,729.58 × 111,679.39 - Step 4: Simplify right side
178,864.03x = 27,554,608,989.36 - Step 5: Solve for x
x = 27,554,608,989.36/178,864.03 - Step 6: Final answer
x = 154,053.38
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1.5x scale
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.