Finding the Fourth Proportional to 235,299.13, 324,708.55 and 127,869.54
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Solution
The fourth proportional to 235,299.13, 324,708.55 and 127,869.54 is: 176,457.65
Step by Step Solution
- Step 1: Write the proportion equation
235,299.13 : 324,708.55 = 127,869.54 : x - Step 2: Convert to fraction form
235,299.13/324,708.55 = 127,869.54/x - Step 3: Cross multiply
235,299.13x = 324,708.55 × 127,869.54 - Step 4: Simplify right side
235,299.13x = 41,520,331,385.24 - Step 5: Solve for x
x = 41,520,331,385.24/235,299.13 - Step 6: Final answer
x = 176,457.65
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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.