Finding the Fourth Proportional to 201,247.70, 301,871.55 and 122,515.70
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Solution
The fourth proportional to 201,247.70, 301,871.55 and 122,515.70 is: 183,773.55
Step by Step Solution
- Step 1: Write the proportion equation
201,247.70 : 301,871.55 = 122,515.70 : x - Step 2: Convert to fraction form
201,247.70/301,871.55 = 122,515.70/x - Step 3: Cross multiply
201,247.70x = 301,871.55 × 122,515.70 - Step 4: Simplify right side
201,247.70x = 36,984,004,258.34 - Step 5: Solve for x
x = 36,984,004,258.34/201,247.70 - Step 6: Final answer
x = 183,773.55
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1.5x scale
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.