Finding the Fourth Proportional to 255,221.58, 382,803.21 and 68,247.66
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Solution
The fourth proportional to 255,221.58, 382,803.21 and 68,247.66 is: 102,363.69
Step by Step Solution
- Step 1: Write the proportion equation
255,221.58 : 382,803.21 = 68,247.66 : x - Step 2: Convert to fraction form
255,221.58/382,803.21 = 68,247.66/x - Step 3: Cross multiply
255,221.58x = 382,803.21 × 68,247.66 - Step 4: Simplify right side
255,221.58x = 26,125,423,322.99 - Step 5: Solve for x
x = 26,125,423,322.99/255,221.58 - Step 6: Final answer
x = 102,363.69
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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.