Finding the Fourth Proportional to 485,034.84, 669,359.79 and 270,178.41
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Solution
The fourth proportional to 485,034.84, 669,359.79 and 270,178.41 is: 372,852.73
Step by Step Solution
- Step 1: Write the proportion equation
485,034.84 : 669,359.79 = 270,178.41 : x - Step 2: Convert to fraction form
485,034.84/669,359.79 = 270,178.41/x - Step 3: Cross multiply
485,034.84x = 669,359.79 × 270,178.41 - Step 4: Simplify right side
485,034.84x = 180,846,563,780.13 - Step 5: Solve for x
x = 180,846,563,780.13/485,034.84 - Step 6: Final answer
x = 372,852.73
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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.