Finding the Fourth Proportional to 120,688.52, 181,032.78 and 37,589
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Solution
The fourth proportional to 120,688.52, 181,032.78 and 37,589 is: 56,383.50
Step by Step Solution
- Step 1: Write the proportion equation
120,688.52 : 181,032.78 = 37,589 : x - Step 2: Convert to fraction form
120,688.52/181,032.78 = 37,589/x - Step 3: Cross multiply
120,688.52x = 181,032.78 × 37,589 - Step 4: Simplify right side
120,688.52x = 6,804,841,167.42 - Step 5: Solve for x
x = 6,804,841,167.42/120,688.52 - Step 6: Final answer
x = 56,383.50
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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.