Finding the Fourth Proportional to 181,652.34, 272,475.36 and 81,741.84
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Solution
The fourth proportional to 181,652.34, 272,475.36 and 81,741.84 is: 122,611.34
Step by Step Solution
- Step 1: Write the proportion equation
181,652.34 : 272,475.36 = 81,741.84 : x - Step 2: Convert to fraction form
181,652.34/272,475.36 = 81,741.84/x - Step 3: Cross multiply
181,652.34x = 272,475.36 × 81,741.84 - Step 4: Simplify right side
181,652.34x = 22,272,637,281.06 - Step 5: Solve for x
x = 22,272,637,281.06/181,652.34 - Step 6: Final answer
x = 122,611.34
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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.