Finding the Fourth Proportional to 449,320.44, 620,039.09 and 245,332.07
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Solution
The fourth proportional to 449,320.44, 620,039.09 and 245,332.07 is: 338,545.62
Step by Step Solution
- Step 1: Write the proportion equation
449,320.44 : 620,039.09 = 245,332.07 : x - Step 2: Convert to fraction form
449,320.44/620,039.09 = 245,332.07/x - Step 3: Cross multiply
449,320.44x = 620,039.09 × 245,332.07 - Step 4: Simplify right side
449,320.44x = 152,115,469,103.76 - Step 5: Solve for x
x = 152,115,469,103.76/449,320.44 - Step 6: Final answer
x = 338,545.62
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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.