Finding the Fourth Proportional to 104,466.06, 144,163.35 and 56,719.26
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Solution
The fourth proportional to 104,466.06, 144,163.35 and 56,719.26 is: 78,272.68
Step by Step Solution
- Step 1: Write the proportion equation
104,466.06 : 144,163.35 = 56,719.26 : x - Step 2: Convert to fraction form
104,466.06/144,163.35 = 56,719.26/x - Step 3: Cross multiply
104,466.06x = 144,163.35 × 56,719.26 - Step 4: Simplify right side
104,466.06x = 8,176,838,531.12 - Step 5: Solve for x
x = 8,176,838,531.12/104,466.06 - Step 6: Final answer
x = 78,272.68
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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.