Finding the Fourth Proportional to 479,223.09, 718,711.62 and 142,184.01
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Solution
The fourth proportional to 479,223.09, 718,711.62 and 142,184.01 is: 213,239.52
Step by Step Solution
- Step 1: Write the proportion equation
479,223.09 : 718,711.62 = 142,184.01 : x - Step 2: Convert to fraction form
479,223.09/718,711.62 = 142,184.01/x - Step 3: Cross multiply
479,223.09x = 718,711.62 × 142,184.01 - Step 4: Simplify right side
479,223.09x = 102,189,300,165.20 - Step 5: Solve for x
x = 102,189,300,165.20/479,223.09 - Step 6: Final answer
x = 213,239.52
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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.