Finding the Fourth Proportional to 104,554.26, 144,283.41 and 56,807.46
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Solution
The fourth proportional to 104,554.26, 144,283.41 and 56,807.46 is: 78,393.50
Step by Step Solution
- Step 1: Write the proportion equation
104,554.26 : 144,283.41 = 56,807.46 : x - Step 2: Convert to fraction form
104,554.26/144,283.41 = 56,807.46/x - Step 3: Cross multiply
104,554.26x = 144,283.41 × 56,807.46 - Step 4: Simplify right side
104,554.26x = 8,196,374,042.24 - Step 5: Solve for x
x = 8,196,374,042.24/104,554.26 - Step 6: Final answer
x = 78,393.50
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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.