Finding the Fourth Proportional to 276,659.55, 381,785.00 and 169,221.69
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Solution
The fourth proportional to 276,659.55, 381,785.00 and 169,221.69 is: 233,522.76
Step by Step Solution
- Step 1: Write the proportion equation
276,659.55 : 381,785.00 = 169,221.69 : x - Step 2: Convert to fraction form
276,659.55/381,785.00 = 169,221.69/x - Step 3: Cross multiply
276,659.55x = 381,785.00 × 169,221.69 - Step 4: Simplify right side
276,659.55x = 64,606,302,070.54 - Step 5: Solve for x
x = 64,606,302,070.54/276,659.55 - Step 6: Final answer
x = 233,522.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.