Finding the Fourth Proportional to 113,523.84, 170,285.76 and 38,644.65
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Solution
The fourth proportional to 113,523.84, 170,285.76 and 38,644.65 is: 57,966.98
Step by Step Solution
- Step 1: Write the proportion equation
113,523.84 : 170,285.76 = 38,644.65 : x - Step 2: Convert to fraction form
113,523.84/170,285.76 = 38,644.65/x - Step 3: Cross multiply
113,523.84x = 170,285.76 × 38,644.65 - Step 4: Simplify right side
113,523.84x = 6,580,633,595.18 - Step 5: Solve for x
x = 6,580,633,595.18/113,523.84 - Step 6: Final answer
x = 57,966.98
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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.