Finding the Fourth Proportional to 356,529.44, 534,795.08 and 90,289.99
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Solution
The fourth proportional to 356,529.44, 534,795.08 and 90,289.99 is: 135,435.21
Step by Step Solution
- Step 1: Write the proportion equation
356,529.44 : 534,795.08 = 90,289.99 : x - Step 2: Convert to fraction form
356,529.44/534,795.08 = 90,289.99/x - Step 3: Cross multiply
356,529.44x = 534,795.08 × 90,289.99 - Step 4: Simplify right side
356,529.44x = 48,286,640,636.81 - Step 5: Solve for x
x = 48,286,640,636.81/356,529.44 - Step 6: Final answer
x = 135,435.21
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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.