Finding the Fourth Proportional to 134,767.84, 202,285.55 and 71,588.54
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Solution
The fourth proportional to 134,767.84, 202,285.55 and 71,588.54 is: 107,453.88
Step by Step Solution
- Step 1: Write the proportion equation
134,767.84 : 202,285.55 = 71,588.54 : x - Step 2: Convert to fraction form
134,767.84/202,285.55 = 71,588.54/x - Step 3: Cross multiply
134,767.84x = 202,285.55 × 71,588.54 - Step 4: Simplify right side
134,767.84x = 14,481,327,187.60 - Step 5: Solve for x
x = 14,481,327,187.60/134,767.84 - Step 6: Final answer
x = 107,453.88
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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.