Finding the Fourth Proportional to 272,437.63, 408,652.33 and 122,572.09
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Solution
The fourth proportional to 272,437.63, 408,652.33 and 122,572.09 is: 183,856.28
Step by Step Solution
- Step 1: Write the proportion equation
272,437.63 : 408,652.33 = 122,572.09 : x - Step 2: Convert to fraction form
272,437.63/408,652.33 = 122,572.09/x - Step 3: Cross multiply
272,437.63x = 408,652.33 × 122,572.09 - Step 4: Simplify right side
272,437.63x = 50,089,368,128.21 - Step 5: Solve for x
x = 50,089,368,128.21/272,437.63 - Step 6: Final answer
x = 183,856.28
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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.