Finding the Fourth Proportional to 134,241.64, 201,236.70 and 45,432.96
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Solution
The fourth proportional to 134,241.64, 201,236.70 and 45,432.96 is: 68,106.88
Step by Step Solution
- Step 1: Write the proportion equation
134,241.64 : 201,236.70 = 45,432.96 : x - Step 2: Convert to fraction form
134,241.64/201,236.70 = 45,432.96/x - Step 3: Cross multiply
134,241.64x = 201,236.70 × 45,432.96 - Step 4: Simplify right side
134,241.64x = 9,142,778,941.63 - Step 5: Solve for x
x = 9,142,778,941.63/134,241.64 - Step 6: Final answer
x = 68,106.88
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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.