Finding the Fourth Proportional to 217,451.08, 299,955.06 and 136,750.60
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Solution
The fourth proportional to 217,451.08, 299,955.06 and 136,750.60 is: 188,635.69
Step by Step Solution
- Step 1: Write the proportion equation
217,451.08 : 299,955.06 = 136,750.60 : x - Step 2: Convert to fraction form
217,451.08/299,955.06 = 136,750.60/x - Step 3: Cross multiply
217,451.08x = 299,955.06 × 136,750.60 - Step 4: Simplify right side
217,451.08x = 41,019,034,428.04 - Step 5: Solve for x
x = 41,019,034,428.04/217,451.08 - Step 6: Final answer
x = 188,635.69
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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.