Finding the Fourth Proportional to 449,338.80, 620,092.49 and 245,395.73
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Solution
The fourth proportional to 449,338.80, 620,092.49 and 245,395.73 is: 338,648.80
Step by Step Solution
- Step 1: Write the proportion equation
449,338.80 : 620,092.49 = 245,395.73 : x - Step 2: Convert to fraction form
449,338.80/620,092.49 = 245,395.73/x - Step 3: Cross multiply
449,338.80x = 620,092.49 × 245,395.73 - Step 4: Simplify right side
449,338.80x = 152,168,044,923.63 - Step 5: Solve for x
x = 152,168,044,923.63/449,338.80 - Step 6: Final answer
x = 338,648.80
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1.5x scale
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.