Finding the Fourth Proportional to 216,453.87, 324,155.93 and 149,706.63
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Solution
The fourth proportional to 216,453.87, 324,155.93 and 149,706.63 is: 224,196.92
Step by Step Solution
- Step 1: Write the proportion equation
216,453.87 : 324,155.93 = 149,706.63 : x - Step 2: Convert to fraction form
216,453.87/324,155.93 = 149,706.63/x - Step 3: Cross multiply
216,453.87x = 324,155.93 × 149,706.63 - Step 4: Simplify right side
216,453.87x = 48,528,291,126.28 - Step 5: Solve for x
x = 48,528,291,126.28/216,453.87 - Step 6: Final answer
x = 224,196.92
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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.