Finding the Fourth Proportional to 110,305.80, 165,458.70 and 92,809.80
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Solution
The fourth proportional to 110,305.80, 165,458.70 and 92,809.80 is: 139,214.70
Step by Step Solution
- Step 1: Write the proportion equation
110,305.80 : 165,458.70 = 92,809.80 : x - Step 2: Convert to fraction form
110,305.80/165,458.70 = 92,809.80/x - Step 3: Cross multiply
110,305.80x = 165,458.70 × 92,809.80 - Step 4: Simplify right side
110,305.80x = 15,356,188,855.26 - Step 5: Solve for x
x = 15,356,188,855.26/110,305.80 - Step 6: Final answer
x = 139,214.70
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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.