Finding the Fourth Proportional to 216,506.77, 324,752.87 and 76,261.75
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Solution
The fourth proportional to 216,506.77, 324,752.87 and 76,261.75 is: 114,390.06
Step by Step Solution
- Step 1: Write the proportion equation
216,506.77 : 324,752.87 = 76,261.75 : x - Step 2: Convert to fraction form
216,506.77/324,752.87 = 76,261.75/x - Step 3: Cross multiply
216,506.77x = 324,752.87 × 76,261.75 - Step 4: Simplify right side
216,506.77x = 24,766,221,802.41 - Step 5: Solve for x
x = 24,766,221,802.41/216,506.77 - Step 6: Final answer
x = 114,390.06
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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.