Finding the Fourth Proportional to 213,299.48, 294,347.99 and 122,653.28
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Solution
The fourth proportional to 213,299.48, 294,347.99 and 122,653.28 is: 169,258.49
Step by Step Solution
- Step 1: Write the proportion equation
213,299.48 : 294,347.99 = 122,653.28 : x - Step 2: Convert to fraction form
213,299.48/294,347.99 = 122,653.28/x - Step 3: Cross multiply
213,299.48x = 294,347.99 × 122,653.28 - Step 4: Simplify right side
213,299.48x = 36,102,746,753.00 - Step 5: Solve for x
x = 36,102,746,753.00/213,299.48 - Step 6: Final answer
x = 169,258.49
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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.