Finding the Fourth Proportional to 402,793.56, 555,823.62 and 232,994.88
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Solution
The fourth proportional to 402,793.56, 555,823.62 and 232,994.88 is: 321,514.72
Step by Step Solution
- Step 1: Write the proportion equation
402,793.56 : 555,823.62 = 232,994.88 : x - Step 2: Convert to fraction form
402,793.56/555,823.62 = 232,994.88/x - Step 3: Cross multiply
402,793.56x = 555,823.62 × 232,994.88 - Step 4: Simplify right side
402,793.56x = 129,504,057,643.07 - Step 5: Solve for x
x = 129,504,057,643.07/402,793.56 - Step 6: Final answer
x = 321,514.72
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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.