Finding the Fourth Proportional to 272,438.16, 408,653.13 and 122,572.62
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Solution
The fourth proportional to 272,438.16, 408,653.13 and 122,572.62 is: 183,857.08
Step by Step Solution
- Step 1: Write the proportion equation
272,438.16 : 408,653.13 = 122,572.62 : x - Step 2: Convert to fraction form
272,438.16/408,653.13 = 122,572.62/x - Step 3: Cross multiply
272,438.16x = 408,653.13 × 122,572.62 - Step 4: Simplify right side
272,438.16x = 50,089,684,202.44 - Step 5: Solve for x
x = 50,089,684,202.44/272,438.16 - Step 6: Final answer
x = 183,857.08
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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.