Finding the Fourth Proportional to 110,974.56, 153,120.96 and 63,214.80
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Solution
The fourth proportional to 110,974.56, 153,120.96 and 63,214.80 is: 87,222.79
Step by Step Solution
- Step 1: Write the proportion equation
110,974.56 : 153,120.96 = 63,214.80 : x - Step 2: Convert to fraction form
110,974.56/153,120.96 = 63,214.80/x - Step 3: Cross multiply
110,974.56x = 153,120.96 × 63,214.80 - Step 4: Simplify right side
110,974.56x = 9,679,510,862.21 - Step 5: Solve for x
x = 9,679,510,862.21/110,974.56 - Step 6: Final answer
x = 87,222.79
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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.