Finding the Fourth Proportional to 550,660.20, 760,178.10 and 369,305.80
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Solution
The fourth proportional to 550,660.20, 760,178.10 and 369,305.80 is: 509,821.09
Step by Step Solution
- Step 1: Write the proportion equation
550,660.20 : 760,178.10 = 369,305.80 : x - Step 2: Convert to fraction form
550,660.20/760,178.10 = 369,305.80/x - Step 3: Cross multiply
550,660.20x = 760,178.10 × 369,305.80 - Step 4: Simplify right side
550,660.20x = 280,738,181,362.98 - Step 5: Solve for x
x = 280,738,181,362.98/550,660.20 - Step 6: Final answer
x = 509,821.09
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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.