Finding the Fourth Proportional to 238,932.36, 358,619.94 and 120,686.58
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Solution
The fourth proportional to 238,932.36, 358,619.94 and 120,686.58 is: 181,141.70
Step by Step Solution
- Step 1: Write the proportion equation
238,932.36 : 358,619.94 = 120,686.58 : x - Step 2: Convert to fraction form
238,932.36/358,619.94 = 120,686.58/x - Step 3: Cross multiply
238,932.36x = 358,619.94 × 120,686.58 - Step 4: Simplify right side
238,932.36x = 43,280,614,078.41 - Step 5: Solve for x
x = 43,280,614,078.41/238,932.36 - Step 6: Final answer
x = 181,141.70
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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.