Finding the Fourth Proportional to 346,704.70, 520,057.05 and 293,560.60
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Solution
The fourth proportional to 346,704.70, 520,057.05 and 293,560.60 is: 440,340.90
Step by Step Solution
- Step 1: Write the proportion equation
346,704.70 : 520,057.05 = 293,560.60 : x - Step 2: Convert to fraction form
346,704.70/520,057.05 = 293,560.60/x - Step 3: Cross multiply
346,704.70x = 520,057.05 × 293,560.60 - Step 4: Simplify right side
346,704.70x = 152,668,259,632.23 - Step 5: Solve for x
x = 152,668,259,632.23/346,704.70 - Step 6: Final answer
x = 440,340.90
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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.