Finding the Fourth Proportional to 254,165.09, 381,250.36 and 76,673.63
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Solution
The fourth proportional to 254,165.09, 381,250.36 and 76,673.63 is: 115,011.27
Step by Step Solution
- Step 1: Write the proportion equation
254,165.09 : 381,250.36 = 76,673.63 : x - Step 2: Convert to fraction form
254,165.09/381,250.36 = 76,673.63/x - Step 3: Cross multiply
254,165.09x = 381,250.36 × 76,673.63 - Step 4: Simplify right side
254,165.09x = 29,231,850,088.97 - Step 5: Solve for x
x = 29,231,850,088.97/254,165.09 - Step 6: Final answer
x = 115,011.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.