Finding the Fourth Proportional to 112,327.18, 168,434.43 and 37,420.99
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Solution
The fourth proportional to 112,327.18, 168,434.43 and 37,420.99 is: 56,112.72
Step by Step Solution
- Step 1: Write the proportion equation
112,327.18 : 168,434.43 = 37,420.99 : x - Step 2: Convert to fraction form
112,327.18/168,434.43 = 37,420.99/x - Step 3: Cross multiply
112,327.18x = 168,434.43 × 37,420.99 - Step 4: Simplify right side
112,327.18x = 6,302,983,120.69 - Step 5: Solve for x
x = 6,302,983,120.69/112,327.18 - Step 6: Final answer
x = 56,112.72
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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.