Finding the Fourth Proportional to 354,777.62, 532,236.53 and 130,140.14
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Solution
The fourth proportional to 354,777.62, 532,236.53 and 130,140.14 is: 195,235.92
Step by Step Solution
- Step 1: Write the proportion equation
354,777.62 : 532,236.53 = 130,140.14 : x - Step 2: Convert to fraction form
354,777.62/532,236.53 = 130,140.14/x - Step 3: Cross multiply
354,777.62x = 532,236.53 × 130,140.14 - Step 4: Simplify right side
354,777.62x = 69,265,333,215.43 - Step 5: Solve for x
x = 69,265,333,215.43/354,777.62 - Step 6: Final answer
x = 195,235.92
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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.