Finding the Fourth Proportional to 272,451.07, 408,672.05 and 122,585.27
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Solution
The fourth proportional to 272,451.07, 408,672.05 and 122,585.27 is: 183,875.86
Step by Step Solution
- Step 1: Write the proportion equation
272,451.07 : 408,672.05 = 122,585.27 : x - Step 2: Convert to fraction form
272,451.07/408,672.05 = 122,585.27/x - Step 3: Cross multiply
272,451.07x = 408,672.05 × 122,585.27 - Step 4: Simplify right side
272,451.07x = 50,097,173,999.46 - Step 5: Solve for x
x = 50,097,173,999.46/272,451.07 - Step 6: Final answer
x = 183,875.86
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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.