Finding the Fourth Proportional to 193,491.99, 290,239.61 and 53,258.31
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Solution
The fourth proportional to 193,491.99, 290,239.61 and 53,258.31 is: 79,887.91
Step by Step Solution
- Step 1: Write the proportion equation
193,491.99 : 290,239.61 = 53,258.31 : x - Step 2: Convert to fraction form
193,491.99/290,239.61 = 53,258.31/x - Step 3: Cross multiply
193,491.99x = 290,239.61 × 53,258.31 - Step 4: Simplify right side
193,491.99x = 15,457,670,857.37 - Step 5: Solve for x
x = 15,457,670,857.37/193,491.99 - Step 6: Final answer
x = 79,887.91
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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.