Finding the Fourth Proportional to 201,631.70, 302,447.55 and 53,887.70
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Solution
The fourth proportional to 201,631.70, 302,447.55 and 53,887.70 is: 80,831.55
Step by Step Solution
- Step 1: Write the proportion equation
201,631.70 : 302,447.55 = 53,887.70 : x - Step 2: Convert to fraction form
201,631.70/302,447.55 = 53,887.70/x - Step 3: Cross multiply
201,631.70x = 302,447.55 × 53,887.70 - Step 4: Simplify right side
201,631.70x = 16,298,202,840.14 - Step 5: Solve for x
x = 16,298,202,840.14/201,631.70 - Step 6: Final answer
x = 80,831.55
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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.