Finding the Fourth Proportional to 416,769.08, 575,139.48 and 225,782.96
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Solution
The fourth proportional to 416,769.08, 575,139.48 and 225,782.96 is: 311,579.48
Step by Step Solution
- Step 1: Write the proportion equation
416,769.08 : 575,139.48 = 225,782.96 : x - Step 2: Convert to fraction form
416,769.08/575,139.48 = 225,782.96/x - Step 3: Cross multiply
416,769.08x = 575,139.48 × 225,782.96 - Step 4: Simplify right side
416,769.08x = 129,856,694,207.26 - Step 5: Solve for x
x = 129,856,694,207.26/416,769.08 - Step 6: Final answer
x = 311,579.48
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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.