Finding the Fourth Proportional to 186,070.81, 256,775.30 and 101,186.05
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Solution
The fourth proportional to 186,070.81, 256,775.30 and 101,186.05 is: 139,635.43
Step by Step Solution
- Step 1: Write the proportion equation
186,070.81 : 256,775.30 = 101,186.05 : x - Step 2: Convert to fraction form
186,070.81/256,775.30 = 101,186.05/x - Step 3: Cross multiply
186,070.81x = 256,775.30 × 101,186.05 - Step 4: Simplify right side
186,070.81x = 25,982,077,060.69 - Step 5: Solve for x
x = 25,982,077,060.69/186,070.81 - Step 6: Final answer
x = 139,635.43
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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.