Finding the Fourth Proportional to 505,612.24, 758,639.80 and 239,562.64
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Solution
The fourth proportional to 505,612.24, 758,639.80 and 239,562.64 is: 359,448.88
Step by Step Solution
- Step 1: Write the proportion equation
505,612.24 : 758,639.80 = 239,562.64 : x - Step 2: Convert to fraction form
505,612.24/758,639.80 = 239,562.64/x - Step 3: Cross multiply
505,612.24x = 758,639.80 × 239,562.64 - Step 4: Simplify right side
505,612.24x = 181,741,753,297.07 - Step 5: Solve for x
x = 181,741,753,297.07/505,612.24 - Step 6: Final answer
x = 359,448.88
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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.