Finding the Fourth Proportional to 121,410.68, 182,143.08 and 37,182.68
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Solution
The fourth proportional to 121,410.68, 182,143.08 and 37,182.68 is: 55,782.31
Step by Step Solution
- Step 1: Write the proportion equation
121,410.68 : 182,143.08 = 37,182.68 : x - Step 2: Convert to fraction form
121,410.68/182,143.08 = 37,182.68/x - Step 3: Cross multiply
121,410.68x = 182,143.08 × 37,182.68 - Step 4: Simplify right side
121,410.68x = 6,772,567,857.85 - Step 5: Solve for x
x = 6,772,567,857.85/121,410.68 - Step 6: Final answer
x = 55,782.31
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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.