Finding the Fourth Proportional to 168,475.84, 232,399.20 and 108,859.84
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Solution
The fourth proportional to 168,475.84, 232,399.20 and 108,859.84 is: 150,163.61
Step by Step Solution
- Step 1: Write the proportion equation
168,475.84 : 232,399.20 = 108,859.84 : x - Step 2: Convert to fraction form
168,475.84/232,399.20 = 108,859.84/x - Step 3: Cross multiply
168,475.84x = 232,399.20 × 108,859.84 - Step 4: Simplify right side
168,475.84x = 25,298,939,728.13 - Step 5: Solve for x
x = 25,298,939,728.13/168,475.84 - Step 6: Final answer
x = 150,163.61
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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.