Finding the Fourth Proportional to 181,386.20, 272,079.99 and 55,027.55
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Solution
The fourth proportional to 181,386.20, 272,079.99 and 55,027.55 is: 82,541.53
Step by Step Solution
- Step 1: Write the proportion equation
181,386.20 : 272,079.99 = 55,027.55 : x - Step 2: Convert to fraction form
181,386.20/272,079.99 = 55,027.55/x - Step 3: Cross multiply
181,386.20x = 272,079.99 × 55,027.55 - Step 4: Simplify right side
181,386.20x = 14,971,893,893.32 - Step 5: Solve for x
x = 14,971,893,893.32/181,386.20 - Step 6: Final answer
x = 82,541.53
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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.