Finding the Fourth Proportional to 192,925.10, 266,231.76 and 105,709.62
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Solution
The fourth proportional to 192,925.10, 266,231.76 and 105,709.62 is: 145,876.60
Step by Step Solution
- Step 1: Write the proportion equation
192,925.10 : 266,231.76 = 105,709.62 : x - Step 2: Convert to fraction form
192,925.10/266,231.76 = 105,709.62/x - Step 3: Cross multiply
192,925.10x = 266,231.76 × 105,709.62 - Step 4: Simplify right side
192,925.10x = 28,143,258,181.53 - Step 5: Solve for x
x = 28,143,258,181.53/192,925.10 - Step 6: Final answer
x = 145,876.60
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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.