Finding the Fourth Proportional to 276,108.22, 380,873.66 and 165,698.63
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Solution
The fourth proportional to 276,108.22, 380,873.66 and 165,698.63 is: 228,570.67
Step by Step Solution
- Step 1: Write the proportion equation
276,108.22 : 380,873.66 = 165,698.63 : x - Step 2: Convert to fraction form
276,108.22/380,873.66 = 165,698.63/x - Step 3: Cross multiply
276,108.22x = 380,873.66 × 165,698.63 - Step 4: Simplify right side
276,108.22x = 63,110,240,932.22 - Step 5: Solve for x
x = 63,110,240,932.22/276,108.22 - Step 6: Final answer
x = 228,570.67
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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.