Finding the Fourth Proportional to 289,502.35, 399,512.94 and 162,178.84
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Solution
The fourth proportional to 289,502.35, 399,512.94 and 162,178.84 is: 223,806.63
Step by Step Solution
- Step 1: Write the proportion equation
289,502.35 : 399,512.94 = 162,178.84 : x - Step 2: Convert to fraction form
289,502.35/399,512.94 = 162,178.84/x - Step 3: Cross multiply
289,502.35x = 399,512.94 × 162,178.84 - Step 4: Simplify right side
289,502.35x = 64,792,545,174.19 - Step 5: Solve for x
x = 64,792,545,174.19/289,502.35 - Step 6: Final answer
x = 223,806.63
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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.