Finding the Fourth Proportional to 139,491.24, 192,430.26 and 82,862.52
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Solution
The fourth proportional to 139,491.24, 192,430.26 and 82,862.52 is: 114,310.09
Step by Step Solution
- Step 1: Write the proportion equation
139,491.24 : 192,430.26 = 82,862.52 : x - Step 2: Convert to fraction form
139,491.24/192,430.26 = 82,862.52/x - Step 3: Cross multiply
139,491.24x = 192,430.26 × 82,862.52 - Step 4: Simplify right side
139,491.24x = 15,945,256,267.86 - Step 5: Solve for x
x = 15,945,256,267.86/139,491.24 - Step 6: Final answer
x = 114,310.09
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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.