Finding the Fourth Proportional to 442,937.89, 664,512.68 and 143,418.79
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Solution
The fourth proportional to 442,937.89, 664,512.68 and 143,418.79 is: 215,162.46
Step by Step Solution
- Step 1: Write the proportion equation
442,937.89 : 664,512.68 = 143,418.79 : x - Step 2: Convert to fraction form
442,937.89/664,512.68 = 143,418.79/x - Step 3: Cross multiply
442,937.89x = 664,512.68 × 143,418.79 - Step 4: Simplify right side
442,937.89x = 95,303,604,505.26 - Step 5: Solve for x
x = 95,303,604,505.26/442,937.89 - Step 6: Final answer
x = 215,162.46
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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.