Finding the Fourth Proportional to 311,919.21, 430,558.81 and 184,594.50
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Solution
The fourth proportional to 311,919.21, 430,558.81 and 184,594.50 is: 254,805.68
Step by Step Solution
- Step 1: Write the proportion equation
311,919.21 : 430,558.81 = 184,594.50 : x - Step 2: Convert to fraction form
311,919.21/430,558.81 = 184,594.50/x - Step 3: Cross multiply
311,919.21x = 430,558.81 × 184,594.50 - Step 4: Simplify right side
311,919.21x = 79,478,787,791.06 - Step 5: Solve for x
x = 79,478,787,791.06/311,919.21 - Step 6: Final answer
x = 254,805.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.