Finding the Fourth Proportional to 153,934.70, 214,983.70 and 153,934.70
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Solution
The fourth proportional to 153,934.70, 214,983.70 and 153,934.70 is: 214,983.70
Step by Step Solution
- Step 1: Write the proportion equation
153,934.70 : 214,983.70 = 153,934.70 : x - Step 2: Convert to fraction form
153,934.70/214,983.70 = 153,934.70/x - Step 3: Cross multiply
153,934.70x = 214,983.70 × 153,934.70 - Step 4: Simplify right side
153,934.70x = 33,093,451,364.39 - Step 5: Solve for x
x = 33,093,451,364.39/153,934.70 - Step 6: Final answer
x = 214,983.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.