Finding the Fourth Proportional to 159,907.24, 220,670.58 and 88,285.75
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Solution
The fourth proportional to 159,907.24, 220,670.58 and 88,285.75 is: 121,833.56
Step by Step Solution
- Step 1: Write the proportion equation
159,907.24 : 220,670.58 = 88,285.75 : x - Step 2: Convert to fraction form
159,907.24/220,670.58 = 88,285.75/x - Step 3: Cross multiply
159,907.24x = 220,670.58 × 88,285.75 - Step 4: Simplify right side
159,907.24x = 19,482,067,658.24 - Step 5: Solve for x
x = 19,482,067,658.24/159,907.24 - Step 6: Final answer
x = 121,833.56
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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.