Finding the Fourth Proportional to 313,495.38, 432,650.57 and 177,553.28
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Solution
The fourth proportional to 313,495.38, 432,650.57 and 177,553.28 is: 245,038.79
Step by Step Solution
- Step 1: Write the proportion equation
313,495.38 : 432,650.57 = 177,553.28 : x - Step 2: Convert to fraction form
313,495.38/432,650.57 = 177,553.28/x - Step 3: Cross multiply
313,495.38x = 432,650.57 × 177,553.28 - Step 4: Simplify right side
313,495.38x = 76,818,527,991.23 - Step 5: Solve for x
x = 76,818,527,991.23/313,495.38 - Step 6: Final answer
x = 245,038.79
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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.