Finding the Fourth Proportional to 437,470.20, 603,708.74 and 236,266.20
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Solution
The fourth proportional to 437,470.20, 603,708.74 and 236,266.20 is: 326,047.28
Step by Step Solution
- Step 1: Write the proportion equation
437,470.20 : 603,708.74 = 236,266.20 : x - Step 2: Convert to fraction form
437,470.20/603,708.74 = 236,266.20/x - Step 3: Cross multiply
437,470.20x = 603,708.74 × 236,266.20 - Step 4: Simplify right side
437,470.20x = 142,635,969,611.26 - Step 5: Solve for x
x = 142,635,969,611.26/437,470.20 - Step 6: Final answer
x = 326,047.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.