Finding the Fourth Proportional to 325,471.74, 448,924.95 and 276,949.50
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Solution
The fourth proportional to 325,471.74, 448,924.95 and 276,949.50 is: 381,997.96
Step by Step Solution
- Step 1: Write the proportion equation
325,471.74 : 448,924.95 = 276,949.50 : x - Step 2: Convert to fraction form
325,471.74/448,924.95 = 276,949.50/x - Step 3: Cross multiply
325,471.74x = 448,924.95 × 276,949.50 - Step 4: Simplify right side
325,471.74x = 124,329,540,440.03 - Step 5: Solve for x
x = 124,329,540,440.03/325,471.74 - Step 6: Final answer
x = 381,997.96
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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.