Finding the Fourth Proportional to 272,318.21, 408,479.12 and 94,824.62
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Solution
The fourth proportional to 272,318.21, 408,479.12 and 94,824.62 is: 142,237.55
Step by Step Solution
- Step 1: Write the proportion equation
272,318.21 : 408,479.12 = 94,824.62 : x - Step 2: Convert to fraction form
272,318.21/408,479.12 = 94,824.62/x - Step 3: Cross multiply
272,318.21x = 408,479.12 × 94,824.62 - Step 4: Simplify right side
272,318.21x = 38,733,874,815.42 - Step 5: Solve for x
x = 38,733,874,815.42/272,318.21 - Step 6: Final answer
x = 142,237.55
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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.