Finding the Fourth Proportional to 463,135.36, 694,690.08 and 147,611.20
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Solution
The fourth proportional to 463,135.36, 694,690.08 and 147,611.20 is: 221,412.67
Step by Step Solution
- Step 1: Write the proportion equation
463,135.36 : 694,690.08 = 147,611.20 : x - Step 2: Convert to fraction form
463,135.36/694,690.08 = 147,611.20/x - Step 3: Cross multiply
463,135.36x = 694,690.08 × 147,611.20 - Step 4: Simplify right side
463,135.36x = 102,544,036,336.90 - Step 5: Solve for x
x = 102,544,036,336.90/463,135.36 - Step 6: Final answer
x = 221,412.67
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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.