Finding the Fourth Proportional to 269,130.42, 371,382.21 and 161,636.58
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Solution
The fourth proportional to 269,130.42, 371,382.21 and 161,636.58 is: 223,047.81
Step by Step Solution
- Step 1: Write the proportion equation
269,130.42 : 371,382.21 = 161,636.58 : x - Step 2: Convert to fraction form
269,130.42/371,382.21 = 161,636.58/x - Step 3: Cross multiply
269,130.42x = 371,382.21 × 161,636.58 - Step 4: Simplify right side
269,130.42x = 60,028,950,297.24 - Step 5: Solve for x
x = 60,028,950,297.24/269,130.42 - Step 6: Final answer
x = 223,047.81
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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.