Finding the Fourth Proportional to 213,549.84, 294,728.04 and 122,903.96
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Solution
The fourth proportional to 213,549.84, 294,728.04 and 122,903.96 is: 169,624.31
Step by Step Solution
- Step 1: Write the proportion equation
213,549.84 : 294,728.04 = 122,903.96 : x - Step 2: Convert to fraction form
213,549.84/294,728.04 = 122,903.96/x - Step 3: Cross multiply
213,549.84x = 294,728.04 × 122,903.96 - Step 4: Simplify right side
213,549.84x = 36,223,243,239.04 - Step 5: Solve for x
x = 36,223,243,239.04/213,549.84 - Step 6: Final answer
x = 169,624.31
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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.