Finding the Fourth Proportional to 230,879.10, 318,721.14 and 134,064.09
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Solution
The fourth proportional to 230,879.10, 318,721.14 and 134,064.09 is: 185,071.15
Step by Step Solution
- Step 1: Write the proportion equation
230,879.10 : 318,721.14 = 134,064.09 : x - Step 2: Convert to fraction form
230,879.10/318,721.14 = 134,064.09/x - Step 3: Cross multiply
230,879.10x = 318,721.14 × 134,064.09 - Step 4: Simplify right side
230,879.10x = 42,729,059,597.86 - Step 5: Solve for x
x = 42,729,059,597.86/230,879.10 - Step 6: Final answer
x = 185,071.15
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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.