Finding the Fourth Proportional to 416,246.74, 574,420.50 and 225,260.13
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Solution
The fourth proportional to 416,246.74, 574,420.50 and 225,260.13 is: 310,858.98
Step by Step Solution
- Step 1: Write the proportion equation
416,246.74 : 574,420.50 = 225,260.13 : x - Step 2: Convert to fraction form
416,246.74/574,420.50 = 225,260.13/x - Step 3: Cross multiply
416,246.74x = 574,420.50 × 225,260.13 - Step 4: Simplify right side
416,246.74x = 129,394,034,303.07 - Step 5: Solve for x
x = 129,394,034,303.07/416,246.74 - Step 6: Final answer
x = 310,858.98
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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.