Finding the Fourth Proportional to 234,202.38, 323,199.01 and 126,772.18
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Solution
The fourth proportional to 234,202.38, 323,199.01 and 126,772.18 is: 174,945.46
Step by Step Solution
- Step 1: Write the proportion equation
234,202.38 : 323,199.01 = 126,772.18 : x - Step 2: Convert to fraction form
234,202.38/323,199.01 = 126,772.18/x - Step 3: Cross multiply
234,202.38x = 323,199.01 × 126,772.18 - Step 4: Simplify right side
234,202.38x = 40,972,643,071.54 - Step 5: Solve for x
x = 40,972,643,071.54/234,202.38 - Step 6: Final answer
x = 174,945.46
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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.