Finding the Fourth Proportional to 505,473.04, 758,212.08 and 205,956.64
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Solution
The fourth proportional to 505,473.04, 758,212.08 and 205,956.64 is: 308,935.99
Step by Step Solution
- Step 1: Write the proportion equation
505,473.04 : 758,212.08 = 205,956.64 : x - Step 2: Convert to fraction form
505,473.04/758,212.08 = 205,956.64/x - Step 3: Cross multiply
505,473.04x = 758,212.08 × 205,956.64 - Step 4: Simplify right side
505,473.04x = 156,158,812,404.21 - Step 5: Solve for x
x = 156,158,812,404.21/505,473.04 - Step 6: Final answer
x = 308,935.99
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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.