Finding the Fourth Proportional to 199,112.84, 274,775.64 and 109,688.84
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Solution
The fourth proportional to 199,112.84, 274,775.64 and 109,688.84 is: 151,370.56
Step by Step Solution
- Step 1: Write the proportion equation
199,112.84 : 274,775.64 = 109,688.84 : x - Step 2: Convert to fraction form
199,112.84/274,775.64 = 109,688.84/x - Step 3: Cross multiply
199,112.84x = 274,775.64 × 109,688.84 - Step 4: Simplify right side
199,112.84x = 30,139,821,211.86 - Step 5: Solve for x
x = 30,139,821,211.86/199,112.84 - Step 6: Final answer
x = 151,370.56
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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.