Finding the Fourth Proportional to 611,038.26, 916,338.60 and 211,571.73
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Solution
The fourth proportional to 611,038.26, 916,338.60 and 211,571.73 is: 317,281.84
Step by Step Solution
- Step 1: Write the proportion equation
611,038.26 : 916,338.60 = 211,571.73 : x - Step 2: Convert to fraction form
611,038.26/916,338.60 = 211,571.73/x - Step 3: Cross multiply
611,038.26x = 916,338.60 × 211,571.73 - Step 4: Simplify right side
611,038.26x = 193,871,342,867.78 - Step 5: Solve for x
x = 193,871,342,867.78/611,038.26 - Step 6: Final answer
x = 317,281.84
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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.