Finding the Fourth Proportional to 131,402.84, 197,199.36 and 52,539.68
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Solution
The fourth proportional to 131,402.84, 197,199.36 and 52,539.68 is: 78,847.54
Step by Step Solution
- Step 1: Write the proportion equation
131,402.84 : 197,199.36 = 52,539.68 : x - Step 2: Convert to fraction form
131,402.84/197,199.36 = 52,539.68/x - Step 3: Cross multiply
131,402.84x = 197,199.36 × 52,539.68 - Step 4: Simplify right side
131,402.84x = 10,360,791,270.60 - Step 5: Solve for x
x = 10,360,791,270.60/131,402.84 - Step 6: Final answer
x = 78,847.54
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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.