Finding the Fourth Proportional to 110,252.20, 165,378.30 and 57,677.80
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Solution
The fourth proportional to 110,252.20, 165,378.30 and 57,677.80 is: 86,516.70
Step by Step Solution
- Step 1: Write the proportion equation
110,252.20 : 165,378.30 = 57,677.80 : x - Step 2: Convert to fraction form
110,252.20/165,378.30 = 57,677.80/x - Step 3: Cross multiply
110,252.20x = 165,378.30 × 57,677.80 - Step 4: Simplify right side
110,252.20x = 9,538,656,511.74 - Step 5: Solve for x
x = 9,538,656,511.74/110,252.20 - Step 6: Final answer
x = 86,516.70
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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.