Finding the Fourth Proportional to 178,610.15, 246,686.58 and 117,628.94
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Solution
The fourth proportional to 178,610.15, 246,686.58 and 117,628.94 is: 162,462.66
Step by Step Solution
- Step 1: Write the proportion equation
178,610.15 : 246,686.58 = 117,628.94 : x - Step 2: Convert to fraction form
178,610.15/246,686.58 = 117,628.94/x - Step 3: Cross multiply
178,610.15x = 246,686.58 × 117,628.94 - Step 4: Simplify right side
178,610.15x = 29,017,481,093.23 - Step 5: Solve for x
x = 29,017,481,093.23/178,610.15 - Step 6: Final answer
x = 162,462.66
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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.