Finding the Fourth Proportional to 313,433.92, 432,535.44 and 177,464.08
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Solution
The fourth proportional to 313,433.92, 432,535.44 and 177,464.08 is: 244,898.52
Step by Step Solution
- Step 1: Write the proportion equation
313,433.92 : 432,535.44 = 177,464.08 : x - Step 2: Convert to fraction form
313,433.92/432,535.44 = 177,464.08/x - Step 3: Cross multiply
313,433.92x = 432,535.44 × 177,464.08 - Step 4: Simplify right side
313,433.92x = 76,759,503,927.00 - Step 5: Solve for x
x = 76,759,503,927.00/313,433.92 - Step 6: Final answer
x = 244,898.52
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1.5x scale
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.