Finding the Fourth Proportional to 128,384.56, 192,586.56 and 34,888.96
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Solution
The fourth proportional to 128,384.56, 192,586.56 and 34,888.96 is: 52,336.08
Step by Step Solution
- Step 1: Write the proportion equation
128,384.56 : 192,586.56 = 34,888.96 : x - Step 2: Convert to fraction form
128,384.56/192,586.56 = 34,888.96/x - Step 3: Cross multiply
128,384.56x = 192,586.56 × 34,888.96 - Step 4: Simplify right side
128,384.56x = 6,719,144,788.38 - Step 5: Solve for x
x = 6,719,144,788.38/128,384.56 - Step 6: Final answer
x = 52,336.08
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1.5x scale
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.