Finding the Fourth Proportional to 296,439.74, 444,660.21 and 138,778.91
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Solution
The fourth proportional to 296,439.74, 444,660.21 and 138,778.91 is: 208,168.64
Step by Step Solution
- Step 1: Write the proportion equation
296,439.74 : 444,660.21 = 138,778.91 : x - Step 2: Convert to fraction form
296,439.74/444,660.21 = 138,778.91/x - Step 3: Cross multiply
296,439.74x = 444,660.21 × 138,778.91 - Step 4: Simplify right side
296,439.74x = 61,709,457,040.87 - Step 5: Solve for x
x = 61,709,457,040.87/296,439.74 - Step 6: Final answer
x = 208,168.64
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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.