Finding the Fourth Proportional to 149,619.40, 224,235.21 and 60,769.70
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Solution
The fourth proportional to 149,619.40, 224,235.21 and 60,769.70 is: 91,075.80
Step by Step Solution
- Step 1: Write the proportion equation
149,619.40 : 224,235.21 = 60,769.70 : x - Step 2: Convert to fraction form
149,619.40/224,235.21 = 60,769.70/x - Step 3: Cross multiply
149,619.40x = 224,235.21 × 60,769.70 - Step 4: Simplify right side
149,619.40x = 13,626,706,441.14 - Step 5: Solve for x
x = 13,626,706,441.14/149,619.40 - Step 6: Final answer
x = 91,075.80
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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.