Finding the Fourth Proportional to 153,269.49, 229,901.55 and 68,969.99
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Solution
The fourth proportional to 153,269.49, 229,901.55 and 68,969.99 is: 103,453.78
Step by Step Solution
- Step 1: Write the proportion equation
153,269.49 : 229,901.55 = 68,969.99 : x - Step 2: Convert to fraction form
153,269.49/229,901.55 = 68,969.99/x - Step 3: Cross multiply
153,269.49x = 229,901.55 × 68,969.99 - Step 4: Simplify right side
153,269.49x = 15,856,307,604.48 - Step 5: Solve for x
x = 15,856,307,604.48/153,269.49 - Step 6: Final answer
x = 103,453.78
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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.