Finding the Fourth Proportional to 110,589.30, 165,851.55 and 51,410.70
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Solution
The fourth proportional to 110,589.30, 165,851.55 and 51,410.70 is: 77,100.99
Step by Step Solution
- Step 1: Write the proportion equation
110,589.30 : 165,851.55 = 51,410.70 : x - Step 2: Convert to fraction form
110,589.30/165,851.55 = 51,410.70/x - Step 3: Cross multiply
110,589.30x = 165,851.55 × 51,410.70 - Step 4: Simplify right side
110,589.30x = 8,526,544,281.59 - Step 5: Solve for x
x = 8,526,544,281.59/110,589.30 - Step 6: Final answer
x = 77,100.99
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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.