Finding the Fourth Proportional to 416,115.29, 574,236.68 and 225,124.58
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Solution
The fourth proportional to 416,115.29, 574,236.68 and 225,124.58 is: 310,670.61
Step by Step Solution
- Step 1: Write the proportion equation
416,115.29 : 574,236.68 = 225,124.58 : x - Step 2: Convert to fraction form
416,115.29/574,236.68 = 225,124.58/x - Step 3: Cross multiply
416,115.29x = 574,236.68 × 225,124.58 - Step 4: Simplify right side
416,115.29x = 129,274,788,534.41 - Step 5: Solve for x
x = 129,274,788,534.41/416,115.29 - Step 6: Final answer
x = 310,670.61
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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.