Finding the Fourth Proportional to 393,174.08, 589,761.12 and 97,686.08
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Solution
The fourth proportional to 393,174.08, 589,761.12 and 97,686.08 is: 146,529.12
Step by Step Solution
- Step 1: Write the proportion equation
393,174.08 : 589,761.12 = 97,686.08 : x - Step 2: Convert to fraction form
393,174.08/589,761.12 = 97,686.08/x - Step 3: Cross multiply
393,174.08x = 589,761.12 × 97,686.08 - Step 4: Simplify right side
393,174.08x = 57,611,451,949.21 - Step 5: Solve for x
x = 57,611,451,949.21/393,174.08 - Step 6: Final answer
x = 146,529.12
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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.