Finding the Fourth Proportional to 127,355.19, 175,749.26 and 69,211.49
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Solution
The fourth proportional to 127,355.19, 175,749.26 and 69,211.49 is: 95,511.36
Step by Step Solution
- Step 1: Write the proportion equation
127,355.19 : 175,749.26 = 69,211.49 : x - Step 2: Convert to fraction form
127,355.19/175,749.26 = 69,211.49/x - Step 3: Cross multiply
127,355.19x = 175,749.26 × 69,211.49 - Step 4: Simplify right side
127,355.19x = 12,163,866,926.19 - Step 5: Solve for x
x = 12,163,866,926.19/127,355.19 - Step 6: Final answer
x = 95,511.36
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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.