Finding the Fourth Proportional to 485,579.24, 728,818.07 and 245,861.63
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Solution
The fourth proportional to 485,579.24, 728,818.07 and 245,861.63 is: 369,019.89
Step by Step Solution
- Step 1: Write the proportion equation
485,579.24 : 728,818.07 = 245,861.63 : x - Step 2: Convert to fraction form
485,579.24/728,818.07 = 245,861.63/x - Step 3: Cross multiply
485,579.24x = 728,818.07 × 245,861.63 - Step 4: Simplify right side
485,579.24x = 179,188,393,790.26 - Step 5: Solve for x
x = 179,188,393,790.26/485,579.24 - Step 6: Final answer
x = 369,019.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.