Finding the Fourth Proportional to 216,917.58, 324,952.61 and 149,437.70
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Solution
The fourth proportional to 216,917.58, 324,952.61 and 149,437.70 is: 223,864.60
Step by Step Solution
- Step 1: Write the proportion equation
216,917.58 : 324,952.61 = 149,437.70 : x - Step 2: Convert to fraction form
216,917.58/324,952.61 = 149,437.70/x - Step 3: Cross multiply
216,917.58x = 324,952.61 × 149,437.70 - Step 4: Simplify right side
216,917.58x = 48,560,168,275.45 - Step 5: Solve for x
x = 48,560,168,275.45/216,917.58 - Step 6: Final answer
x = 223,864.60
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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.