Finding the Fourth Proportional to 110,481.76, 152,459.58 and 62,728.84
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Solution
The fourth proportional to 110,481.76, 152,459.58 and 62,728.84 is: 86,562.82
Step by Step Solution
- Step 1: Write the proportion equation
110,481.76 : 152,459.58 = 62,728.84 : x - Step 2: Convert to fraction form
110,481.76/152,459.58 = 62,728.84/x - Step 3: Cross multiply
110,481.76x = 152,459.58 × 62,728.84 - Step 4: Simplify right side
110,481.76x = 9,563,612,600.29 - Step 5: Solve for x
x = 9,563,612,600.29/110,481.76 - Step 6: Final answer
x = 86,562.82
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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.