Finding the Fourth Proportional to 202,688.99, 279,706.68 and 112,048.77
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Solution
The fourth proportional to 202,688.99, 279,706.68 and 112,048.77 is: 154,625.03
Step by Step Solution
- Step 1: Write the proportion equation
202,688.99 : 279,706.68 = 112,048.77 : x - Step 2: Convert to fraction form
202,688.99/279,706.68 = 112,048.77/x - Step 3: Cross multiply
202,688.99x = 279,706.68 × 112,048.77 - Step 4: Simplify right side
202,688.99x = 31,340,789,454.78 - Step 5: Solve for x
x = 31,340,789,454.78/202,688.99 - Step 6: Final answer
x = 154,625.03
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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.