Finding the Fourth Proportional to 134,553.60, 201,793.95 and 39,783.60
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Solution
The fourth proportional to 134,553.60, 201,793.95 and 39,783.60 is: 59,664.62
Step by Step Solution
- Step 1: Write the proportion equation
134,553.60 : 201,793.95 = 39,783.60 : x - Step 2: Convert to fraction form
134,553.60/201,793.95 = 39,783.60/x - Step 3: Cross multiply
134,553.60x = 201,793.95 × 39,783.60 - Step 4: Simplify right side
134,553.60x = 8,028,089,789.22 - Step 5: Solve for x
x = 8,028,089,789.22/134,553.60 - Step 6: Final answer
x = 59,664.62
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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.