Finding the Fourth Proportional to 132,534.55, 198,771.99 and 37,762.80
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Solution
The fourth proportional to 132,534.55, 198,771.99 and 37,762.80 is: 56,635.70
Step by Step Solution
- Step 1: Write the proportion equation
132,534.55 : 198,771.99 = 37,762.80 : x - Step 2: Convert to fraction form
132,534.55/198,771.99 = 37,762.80/x - Step 3: Cross multiply
132,534.55x = 198,771.99 × 37,762.80 - Step 4: Simplify right side
132,534.55x = 7,506,186,903.97 - Step 5: Solve for x
x = 7,506,186,903.97/132,534.55 - Step 6: Final answer
x = 56,635.70
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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.