Finding the Fourth Proportional to 214,726.38, 296,349.74 and 129,844.05
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Solution
The fourth proportional to 214,726.38, 296,349.74 and 129,844.05 is: 179,201.32
Step by Step Solution
- Step 1: Write the proportion equation
214,726.38 : 296,349.74 = 129,844.05 : x - Step 2: Convert to fraction form
214,726.38/296,349.74 = 129,844.05/x - Step 3: Cross multiply
214,726.38x = 296,349.74 × 129,844.05 - Step 4: Simplify right side
214,726.38x = 38,479,250,458.05 - Step 5: Solve for x
x = 38,479,250,458.05/214,726.38 - Step 6: Final answer
x = 179,201.32
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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.