Finding the Fourth Proportional to 216,900.58, 324,927.14 and 149,420.70
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Solution
The fourth proportional to 216,900.58, 324,927.14 and 149,420.70 is: 223,839.14
Step by Step Solution
- Step 1: Write the proportion equation
216,900.58 : 324,927.14 = 149,420.70 : x - Step 2: Convert to fraction form
216,900.58/324,927.14 = 149,420.70/x - Step 3: Cross multiply
216,900.58x = 324,927.14 × 149,420.70 - Step 4: Simplify right side
216,900.58x = 48,550,838,336.06 - Step 5: Solve for x
x = 48,550,838,336.06/216,900.58 - Step 6: Final answer
x = 223,839.14
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1.5x scale
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.