Finding the Fourth Proportional to 272,437.66, 408,652.38 and 122,572.12
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Solution
The fourth proportional to 272,437.66, 408,652.38 and 122,572.12 is: 183,856.32
Step by Step Solution
- Step 1: Write the proportion equation
272,437.66 : 408,652.38 = 122,572.12 : x - Step 2: Convert to fraction form
272,437.66/408,652.38 = 122,572.12/x - Step 3: Cross multiply
272,437.66x = 408,652.38 × 122,572.12 - Step 4: Simplify right side
272,437.66x = 50,089,386,720.77 - Step 5: Solve for x
x = 50,089,386,720.77/272,437.66 - Step 6: Final answer
x = 183,856.32
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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.