Finding the Fourth Proportional to 231,433.74, 319,249.94 and 134,626.70
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Solution
The fourth proportional to 231,433.74, 319,249.94 and 134,626.70 is: 185,710.03
Step by Step Solution
- Step 1: Write the proportion equation
231,433.74 : 319,249.94 = 134,626.70 : x - Step 2: Convert to fraction form
231,433.74/319,249.94 = 134,626.70/x - Step 3: Cross multiply
231,433.74x = 319,249.94 × 134,626.70 - Step 4: Simplify right side
231,433.74x = 42,979,565,897.40 - Step 5: Solve for x
x = 42,979,565,897.40/231,433.74 - Step 6: Final answer
x = 185,710.03
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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.