Finding the Fourth Proportional to 416,748.16, 575,110.16 and 225,765.28
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Solution
The fourth proportional to 416,748.16, 575,110.16 and 225,765.28 is: 311,554.84
Step by Step Solution
- Step 1: Write the proportion equation
416,748.16 : 575,110.16 = 225,765.28 : x - Step 2: Convert to fraction form
416,748.16/575,110.16 = 225,765.28/x - Step 3: Cross multiply
416,748.16x = 575,110.16 × 225,765.28 - Step 4: Simplify right side
416,748.16x = 129,839,906,303.25 - Step 5: Solve for x
x = 129,839,906,303.25/416,748.16 - Step 6: Final answer
x = 311,554.84
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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.