Finding the Fourth Proportional to 255,053.67, 382,448.66 and 75,115.68
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Solution
The fourth proportional to 255,053.67, 382,448.66 and 75,115.68 is: 112,634.69
Step by Step Solution
- Step 1: Write the proportion equation
255,053.67 : 382,448.66 = 75,115.68 : x - Step 2: Convert to fraction form
255,053.67/382,448.66 = 75,115.68/x - Step 3: Cross multiply
255,053.67x = 382,448.66 × 75,115.68 - Step 4: Simplify right side
255,053.67x = 28,727,890,785.41 - Step 5: Solve for x
x = 28,727,890,785.41/255,053.67 - Step 6: Final answer
x = 112,634.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.