Finding the Fourth Proportional to 407,633.99, 610,785.12 and 247,758.81
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Solution
The fourth proportional to 407,633.99, 610,785.12 and 247,758.81 is: 371,233.51
Step by Step Solution
- Step 1: Write the proportion equation
407,633.99 : 610,785.12 = 247,758.81 : x - Step 2: Convert to fraction form
407,633.99/610,785.12 = 247,758.81/x - Step 3: Cross multiply
407,633.99x = 610,785.12 × 247,758.81 - Step 4: Simplify right side
407,633.99x = 151,327,394,496.91 - Step 5: Solve for x
x = 151,327,394,496.91/407,633.99 - Step 6: Final answer
x = 371,233.51
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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.