Finding the Fourth Proportional to 509,573.92, 764,668.08 and 177,383.20
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Solution
The fourth proportional to 509,573.92, 764,668.08 and 177,383.20 is: 266,181.74
Step by Step Solution
- Step 1: Write the proportion equation
509,573.92 : 764,668.08 = 177,383.20 : x - Step 2: Convert to fraction form
509,573.92/764,668.08 = 177,383.20/x - Step 3: Cross multiply
509,573.92x = 764,668.08 × 177,383.20 - Step 4: Simplify right side
509,573.92x = 135,639,270,968.26 - Step 5: Solve for x
x = 135,639,270,968.26/509,573.92 - Step 6: Final answer
x = 266,181.74
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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.