Finding the Fourth Proportional to 479,168.63, 718,542.44 and 179,438.99
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Solution
The fourth proportional to 479,168.63, 718,542.44 and 179,438.99 is: 269,079.65
Step by Step Solution
- Step 1: Write the proportion equation
479,168.63 : 718,542.44 = 179,438.99 : x - Step 2: Convert to fraction form
479,168.63/718,542.44 = 179,438.99/x - Step 3: Cross multiply
479,168.63x = 718,542.44 × 179,438.99 - Step 4: Simplify right side
479,168.63x = 128,934,525,215.83 - Step 5: Solve for x
x = 128,934,525,215.83/479,168.63 - Step 6: Final answer
x = 269,079.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.