Finding the Fourth Proportional to 407,635.79, 562,589.29 and 246,491.99
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Solution
The fourth proportional to 407,635.79, 562,589.29 and 246,491.99 is: 340,190.32
Step by Step Solution
- Step 1: Write the proportion equation
407,635.79 : 562,589.29 = 246,491.99 : x - Step 2: Convert to fraction form
407,635.79/562,589.29 = 246,491.99/x - Step 3: Cross multiply
407,635.79x = 562,589.29 × 246,491.99 - Step 4: Simplify right side
407,635.79x = 138,673,749,599.38 - Step 5: Solve for x
x = 138,673,749,599.38/407,635.79 - Step 6: Final answer
x = 340,190.32
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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.