Finding the Fourth Proportional to 478,044.14, 659,675.87 and 263,142.23
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Solution
The fourth proportional to 478,044.14, 659,675.87 and 263,142.23 is: 363,122.49
Step by Step Solution
- Step 1: Write the proportion equation
478,044.14 : 659,675.87 = 263,142.23 : x - Step 2: Convert to fraction form
478,044.14/659,675.87 = 263,142.23/x - Step 3: Cross multiply
478,044.14x = 659,675.87 × 263,142.23 - Step 4: Simplify right side
478,044.14x = 173,588,576,048.42 - Step 5: Solve for x
x = 173,588,576,048.42/478,044.14 - Step 6: Final answer
x = 363,122.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.