Finding the Fourth Proportional to 415,340.94, 573,170.74 and 224,354.32
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Solution
The fourth proportional to 415,340.94, 573,170.74 and 224,354.32 is: 309,609.09
Step by Step Solution
- Step 1: Write the proportion equation
415,340.94 : 573,170.74 = 224,354.32 : x - Step 2: Convert to fraction form
415,340.94/573,170.74 = 224,354.32/x - Step 3: Cross multiply
415,340.94x = 573,170.74 × 224,354.32 - Step 4: Simplify right side
415,340.94x = 128,593,331,616.60 - Step 5: Solve for x
x = 128,593,331,616.60/415,340.94 - Step 6: Final answer
x = 309,609.09
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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.