Finding the Fourth Proportional to 438,370.88, 604,917.36 and 268,581.92
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Solution
The fourth proportional to 438,370.88, 604,917.36 and 268,581.92 is: 370,621.94
Step by Step Solution
- Step 1: Write the proportion equation
438,370.88 : 604,917.36 = 268,581.92 : x - Step 2: Convert to fraction form
438,370.88/604,917.36 = 268,581.92/x - Step 3: Cross multiply
438,370.88x = 604,917.36 × 268,581.92 - Step 4: Simplify right side
438,370.88x = 162,469,865,990.13 - Step 5: Solve for x
x = 162,469,865,990.13/438,370.88 - Step 6: Final answer
x = 370,621.94
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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.