Finding the Fourth Proportional to 201,237.40, 302,201.70 and 142,485.40
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Solution
The fourth proportional to 201,237.40, 302,201.70 and 142,485.40 is: 213,972.80
Step by Step Solution
- Step 1: Write the proportion equation
201,237.40 : 302,201.70 = 142,485.40 : x - Step 2: Convert to fraction form
201,237.40/302,201.70 = 142,485.40/x - Step 3: Cross multiply
201,237.40x = 302,201.70 × 142,485.40 - Step 4: Simplify right side
201,237.40x = 43,059,330,105.18 - Step 5: Solve for x
x = 43,059,330,105.18/201,237.40 - Step 6: Final answer
x = 213,972.80
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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.