Finding the Fourth Proportional to 201,237.70, 301,856.55 and 53,493.70
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Solution
The fourth proportional to 201,237.70, 301,856.55 and 53,493.70 is: 80,240.55
Step by Step Solution
- Step 1: Write the proportion equation
201,237.70 : 301,856.55 = 53,493.70 : x - Step 2: Convert to fraction form
201,237.70/301,856.55 = 53,493.70/x - Step 3: Cross multiply
201,237.70x = 301,856.55 × 53,493.70 - Step 4: Simplify right side
201,237.70x = 16,147,423,728.74 - Step 5: Solve for x
x = 16,147,423,728.74/201,237.70 - Step 6: Final answer
x = 80,240.55
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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.