Finding the Fourth Proportional to 471,181.80, 706,763.55 and 134,224.62
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Solution
The fourth proportional to 471,181.80, 706,763.55 and 134,224.62 is: 201,334.32
Step by Step Solution
- Step 1: Write the proportion equation
471,181.80 : 706,763.55 = 134,224.62 : x - Step 2: Convert to fraction form
471,181.80/706,763.55 = 134,224.62/x - Step 3: Cross multiply
471,181.80x = 706,763.55 × 134,224.62 - Step 4: Simplify right side
471,181.80x = 94,865,068,928.60 - Step 5: Solve for x
x = 94,865,068,928.60/471,181.80 - Step 6: Final answer
x = 201,334.32
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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.