Finding the Fourth Proportional to 485,861.16, 728,791.74 and 170,317.92
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Solution
The fourth proportional to 485,861.16, 728,791.74 and 170,317.92 is: 255,476.88
Step by Step Solution
- Step 1: Write the proportion equation
485,861.16 : 728,791.74 = 170,317.92 : x - Step 2: Convert to fraction form
485,861.16/728,791.74 = 170,317.92/x - Step 3: Cross multiply
485,861.16x = 728,791.74 × 170,317.92 - Step 4: Simplify right side
485,861.16x = 124,126,293,269.98 - Step 5: Solve for x
x = 124,126,293,269.98/485,861.16 - Step 6: Final answer
x = 255,476.88
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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.