Finding the Fourth Proportional to 110,129.44, 165,219.63 and 39,048.31
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Solution
The fourth proportional to 110,129.44, 165,219.63 and 39,048.31 is: 58,581.50
Step by Step Solution
- Step 1: Write the proportion equation
110,129.44 : 165,219.63 = 39,048.31 : x - Step 2: Convert to fraction form
110,129.44/165,219.63 = 39,048.31/x - Step 3: Cross multiply
110,129.44x = 165,219.63 × 39,048.31 - Step 4: Simplify right side
110,129.44x = 6,451,547,330.33 - Step 5: Solve for x
x = 6,451,547,330.33/110,129.44 - Step 6: Final answer
x = 58,581.50
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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.