Finding the Fourth Proportional to 313,135.44, 432,433.68 and 216,586.56
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Solution
The fourth proportional to 313,135.44, 432,433.68 and 216,586.56 is: 299,101.64
Step by Step Solution
- Step 1: Write the proportion equation
313,135.44 : 432,433.68 = 216,586.56 : x - Step 2: Convert to fraction form
313,135.44/432,433.68 = 216,586.56/x - Step 3: Cross multiply
313,135.44x = 432,433.68 × 216,586.56 - Step 4: Simplify right side
313,135.44x = 93,659,323,179.34 - Step 5: Solve for x
x = 93,659,323,179.34/313,135.44 - Step 6: Final answer
x = 299,101.64
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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.