Finding the Fourth Proportional to 246,421.70, 345,923.50 and 246,421.70
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Solution
The fourth proportional to 246,421.70, 345,923.50 and 246,421.70 is: 345,923.50
Step by Step Solution
- Step 1: Write the proportion equation
246,421.70 : 345,923.50 = 246,421.70 : x - Step 2: Convert to fraction form
246,421.70/345,923.50 = 246,421.70/x - Step 3: Cross multiply
246,421.70x = 345,923.50 × 246,421.70 - Step 4: Simplify right side
246,421.70x = 85,243,056,939.95 - Step 5: Solve for x
x = 85,243,056,939.95/246,421.70 - Step 6: Final answer
x = 345,923.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.