Finding the Fourth Proportional to 106,898.46, 160,346.01 and 36,778.38
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Solution
The fourth proportional to 106,898.46, 160,346.01 and 36,778.38 is: 55,166.99
Step by Step Solution
- Step 1: Write the proportion equation
106,898.46 : 160,346.01 = 36,778.38 : x - Step 2: Convert to fraction form
106,898.46/160,346.01 = 36,778.38/x - Step 3: Cross multiply
106,898.46x = 160,346.01 × 36,778.38 - Step 4: Simplify right side
106,898.46x = 5,897,266,487.26 - Step 5: Solve for x
x = 5,897,266,487.26/106,898.46 - Step 6: Final answer
x = 55,166.99
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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.