Finding the Fourth Proportional to 104,239.40, 143,850.35 and 56,492.75
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Solution
The fourth proportional to 104,239.40, 143,850.35 and 56,492.75 is: 77,959.98
Step by Step Solution
- Step 1: Write the proportion equation
104,239.40 : 143,850.35 = 56,492.75 : x - Step 2: Convert to fraction form
104,239.40/143,850.35 = 56,492.75/x - Step 3: Cross multiply
104,239.40x = 143,850.35 × 56,492.75 - Step 4: Simplify right side
104,239.40x = 8,126,500,858.25 - Step 5: Solve for x
x = 8,126,500,858.25/104,239.40 - Step 6: Final answer
x = 77,959.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.