Finding the Fourth Proportional to 122,320.90, 183,481.35 and 110,511.10
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Solution
The fourth proportional to 122,320.90, 183,481.35 and 110,511.10 is: 165,766.65
Step by Step Solution
- Step 1: Write the proportion equation
122,320.90 : 183,481.35 = 110,511.10 : x - Step 2: Convert to fraction form
122,320.90/183,481.35 = 110,511.10/x - Step 3: Cross multiply
122,320.90x = 183,481.35 × 110,511.10 - Step 4: Simplify right side
122,320.90x = 20,276,725,817.99 - Step 5: Solve for x
x = 20,276,725,817.99/122,320.90 - Step 6: Final answer
x = 165,766.65
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1.5x scale
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.