Finding the Fourth Proportional to 134,494.80, 201,742.20 and 40,988.40
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Solution
The fourth proportional to 134,494.80, 201,742.20 and 40,988.40 is: 61,482.60
Step by Step Solution
- Step 1: Write the proportion equation
134,494.80 : 201,742.20 = 40,988.40 : x - Step 2: Convert to fraction form
134,494.80/201,742.20 = 40,988.40/x - Step 3: Cross multiply
134,494.80x = 201,742.20 × 40,988.40 - Step 4: Simplify right side
134,494.80x = 8,269,089,990.48 - Step 5: Solve for x
x = 8,269,089,990.48/134,494.80 - Step 6: Final answer
x = 61,482.60
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Similar ratio
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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.