Finding the Fourth Proportional to 216,377.06, 324,532.74 and 76,102.88
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Solution
The fourth proportional to 216,377.06, 324,532.74 and 76,102.88 is: 114,142.76
Step by Step Solution
- Step 1: Write the proportion equation
216,377.06 : 324,532.74 = 76,102.88 : x - Step 2: Convert to fraction form
216,377.06/324,532.74 = 76,102.88/x - Step 3: Cross multiply
216,377.06x = 324,532.74 × 76,102.88 - Step 4: Simplify right side
216,377.06x = 24,697,874,831.01 - Step 5: Solve for x
x = 24,697,874,831.01/216,377.06 - Step 6: Final answer
x = 114,142.76
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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.