Finding the Fourth Proportional to 147,137.36, 220,532.40 and 62,872.88
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Solution
The fourth proportional to 147,137.36, 220,532.40 and 62,872.88 is: 94,235.12
Step by Step Solution
- Step 1: Write the proportion equation
147,137.36 : 220,532.40 = 62,872.88 : x - Step 2: Convert to fraction form
147,137.36/220,532.40 = 62,872.88/x - Step 3: Cross multiply
147,137.36x = 220,532.40 × 62,872.88 - Step 4: Simplify right side
147,137.36x = 13,865,507,121.31 - Step 5: Solve for x
x = 13,865,507,121.31/147,137.36 - Step 6: Final answer
x = 94,235.12
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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.