Finding the Fourth Proportional to 415,229.30, 573,016.42 and 224,242.68
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Solution
The fourth proportional to 415,229.30, 573,016.42 and 224,242.68 is: 309,454.88
Step by Step Solution
- Step 1: Write the proportion equation
415,229.30 : 573,016.42 = 224,242.68 : x - Step 2: Convert to fraction form
415,229.30/573,016.42 = 224,242.68/x - Step 3: Cross multiply
415,229.30x = 573,016.42 × 224,242.68 - Step 4: Simplify right side
415,229.30x = 128,494,734,279.12 - Step 5: Solve for x
x = 128,494,734,279.12/415,229.30 - Step 6: Final answer
x = 309,454.88
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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.