Finding the Fourth Proportional to 416,238.69, 574,409.36 and 225,252.08
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Solution
The fourth proportional to 416,238.69, 574,409.36 and 225,252.08 is: 310,847.84
Step by Step Solution
- Step 1: Write the proportion equation
416,238.69 : 574,409.36 = 225,252.08 : x - Step 2: Convert to fraction form
416,238.69/574,409.36 = 225,252.08/x - Step 3: Cross multiply
416,238.69x = 574,409.36 × 225,252.08 - Step 4: Simplify right side
416,238.69x = 129,386,899,113.16 - Step 5: Solve for x
x = 129,386,899,113.16/416,238.69 - Step 6: Final answer
x = 310,847.84
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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.