Finding the Fourth Proportional to 416,311.74, 574,524.11 and 255,135.65
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Solution
The fourth proportional to 416,311.74, 574,524.11 and 255,135.65 is: 352,095.71
Step by Step Solution
- Step 1: Write the proportion equation
416,311.74 : 574,524.11 = 255,135.65 : x - Step 2: Convert to fraction form
416,311.74/574,524.11 = 255,135.65/x - Step 3: Cross multiply
416,311.74x = 574,524.11 × 255,135.65 - Step 4: Simplify right side
416,311.74x = 146,581,578,097.22 - Step 5: Solve for x
x = 146,581,578,097.22/416,311.74 - Step 6: Final answer
x = 352,095.71
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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.