Finding the Fourth Proportional to 275,392.12, 413,107.98 and 115,306.96
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Solution
The fourth proportional to 275,392.12, 413,107.98 and 115,306.96 is: 172,968.73
Step by Step Solution
- Step 1: Write the proportion equation
275,392.12 : 413,107.98 = 115,306.96 : x - Step 2: Convert to fraction form
275,392.12/413,107.98 = 115,306.96/x - Step 3: Cross multiply
275,392.12x = 413,107.98 × 115,306.96 - Step 4: Simplify right side
275,392.12x = 47,634,225,325.54 - Step 5: Solve for x
x = 47,634,225,325.54/275,392.12 - Step 6: Final answer
x = 172,968.73
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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.