Finding the Fourth Proportional to 439,231.40, 658,652.70 and 202,452.20
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Solution
The fourth proportional to 439,231.40, 658,652.70 and 202,452.20 is: 303,588.70
Step by Step Solution
- Step 1: Write the proportion equation
439,231.40 : 658,652.70 = 202,452.20 : x - Step 2: Convert to fraction form
439,231.40/658,652.70 = 202,452.20/x - Step 3: Cross multiply
439,231.40x = 658,652.70 × 202,452.20 - Step 4: Simplify right side
439,231.40x = 133,345,688,150.94 - Step 5: Solve for x
x = 133,345,688,150.94/439,231.40 - Step 6: Final answer
x = 303,588.70
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1.5x scale
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.