Finding the Fourth Proportional to 318,107.98, 438,983.31 and 174,864.95
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Solution
The fourth proportional to 318,107.98, 438,983.31 and 174,864.95 is: 241,310.50
Step by Step Solution
- Step 1: Write the proportion equation
318,107.98 : 438,983.31 = 174,864.95 : x - Step 2: Convert to fraction form
318,107.98/438,983.31 = 174,864.95/x - Step 3: Cross multiply
318,107.98x = 438,983.31 × 174,864.95 - Step 4: Simplify right side
318,107.98x = 76,762,794,553.98 - Step 5: Solve for x
x = 76,762,794,553.98/318,107.98 - Step 6: Final answer
x = 241,310.50
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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.