Finding the Fourth Proportional to 239,639.87, 330,700.74 and 132,210.77
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Solution
The fourth proportional to 239,639.87, 330,700.74 and 132,210.77 is: 182,449.60
Step by Step Solution
- Step 1: Write the proportion equation
239,639.87 : 330,700.74 = 132,210.77 : x - Step 2: Convert to fraction form
239,639.87/330,700.74 = 132,210.77/x - Step 3: Cross multiply
239,639.87x = 330,700.74 × 132,210.77 - Step 4: Simplify right side
239,639.87x = 43,722,199,474.97 - Step 5: Solve for x
x = 43,722,199,474.97/239,639.87 - Step 6: Final answer
x = 182,449.60
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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.