Finding the Fourth Proportional to 506,733.44, 699,282.92 and 280,378.94
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Solution
The fourth proportional to 506,733.44, 699,282.92 and 280,378.94 is: 386,917.83
Step by Step Solution
- Step 1: Write the proportion equation
506,733.44 : 699,282.92 = 280,378.94 : x - Step 2: Convert to fraction form
506,733.44/699,282.92 = 280,378.94/x - Step 3: Cross multiply
506,733.44x = 699,282.92 × 280,378.94 - Step 4: Simplify right side
506,733.44x = 196,064,201,074.24 - Step 5: Solve for x
x = 196,064,201,074.24/506,733.44 - Step 6: Final answer
x = 386,917.83
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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.