Finding the Fourth Proportional to 73,411.20, 110,145.60 and 29,030.40
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Solution
The fourth proportional to 73,411.20, 110,145.60 and 29,030.40 is: 43,556.99
Step by Step Solution
- Step 1: Write the proportion equation
73,411.20 : 110,145.60 = 29,030.40 : x - Step 2: Convert to fraction form
73,411.20/110,145.60 = 29,030.40/x - Step 3: Cross multiply
73,411.20x = 110,145.60 × 29,030.40 - Step 4: Simplify right side
73,411.20x = 3,197,570,826.24 - Step 5: Solve for x
x = 3,197,570,826.24/73,411.20 - Step 6: Final answer
x = 43,556.99
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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.