Finding the Fourth Proportional to 415,946.97, 574,006.79 and 224,960.36
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Solution
The fourth proportional to 415,946.97, 574,006.79 and 224,960.36 is: 310,445.28
Step by Step Solution
- Step 1: Write the proportion equation
415,946.97 : 574,006.79 = 224,960.36 : x - Step 2: Convert to fraction form
415,946.97/574,006.79 = 224,960.36/x - Step 3: Cross multiply
415,946.97x = 574,006.79 × 224,960.36 - Step 4: Simplify right side
415,946.97x = 129,128,771,813.21 - Step 5: Solve for x
x = 129,128,771,813.21/415,946.97 - Step 6: Final answer
x = 310,445.28
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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.