Finding the Fourth Proportional to 432,900.05, 649,455.18 and 133,380.62
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Solution
The fourth proportional to 432,900.05, 649,455.18 and 133,380.62 is: 200,103.32
Step by Step Solution
- Step 1: Write the proportion equation
432,900.05 : 649,455.18 = 133,380.62 : x - Step 2: Convert to fraction form
432,900.05/649,455.18 = 133,380.62/x - Step 3: Cross multiply
432,900.05x = 649,455.18 × 133,380.62 - Step 4: Simplify right side
432,900.05x = 86,624,737,662.07 - Step 5: Solve for x
x = 86,624,737,662.07/432,900.05 - Step 6: Final answer
x = 200,103.32
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1.5x scale
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.