Finding the Fourth Proportional to 181,212.08, 272,261.16 and 171,140.72
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Solution
The fourth proportional to 181,212.08, 272,261.16 and 171,140.72 is: 257,129.50
Step by Step Solution
- Step 1: Write the proportion equation
181,212.08 : 272,261.16 = 171,140.72 : x - Step 2: Convert to fraction form
181,212.08/272,261.16 = 171,140.72/x - Step 3: Cross multiply
181,212.08x = 272,261.16 × 171,140.72 - Step 4: Simplify right side
181,212.08x = 46,594,970,950.44 - Step 5: Solve for x
x = 46,594,970,950.44/181,212.08 - Step 6: Final answer
x = 257,129.50
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1.5x scale
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.