Finding the Fourth Proportional to 167,327.68, 250,917.84 and 78,606.40
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Solution
The fourth proportional to 167,327.68, 250,917.84 and 78,606.40 is: 117,874.99
Step by Step Solution
- Step 1: Write the proportion equation
167,327.68 : 250,917.84 = 78,606.40 : x - Step 2: Convert to fraction form
167,327.68/250,917.84 = 78,606.40/x - Step 3: Cross multiply
167,327.68x = 250,917.84 × 78,606.40 - Step 4: Simplify right side
167,327.68x = 19,723,748,098.18 - Step 5: Solve for x
x = 19,723,748,098.18/167,327.68 - Step 6: Final answer
x = 117,874.99
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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.