Finding the Fourth Proportional to 102,211.60, 153,342.92 and 35,652.70
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Solution
The fourth proportional to 102,211.60, 153,342.92 and 35,652.70 is: 53,487.95
Step by Step Solution
- Step 1: Write the proportion equation
102,211.60 : 153,342.92 = 35,652.70 : x - Step 2: Convert to fraction form
102,211.60/153,342.92 = 35,652.70/x - Step 3: Cross multiply
102,211.60x = 153,342.92 × 35,652.70 - Step 4: Simplify right side
102,211.60x = 5,467,089,123.88 - Step 5: Solve for x
x = 5,467,089,123.88/102,211.60 - Step 6: Final answer
x = 53,487.95
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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.