Finding the Fourth Proportional to 449,844.93, 620,785.98 and 245,896.71
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Solution
The fourth proportional to 449,844.93, 620,785.98 and 245,896.71 is: 339,337.45
Step by Step Solution
- Step 1: Write the proportion equation
449,844.93 : 620,785.98 = 245,896.71 : x - Step 2: Convert to fraction form
449,844.93/620,785.98 = 245,896.71/x - Step 3: Cross multiply
449,844.93x = 620,785.98 × 245,896.71 - Step 4: Simplify right side
449,844.93x = 152,649,230,096.13 - Step 5: Solve for x
x = 152,649,230,096.13/449,844.93 - Step 6: Final answer
x = 339,337.45
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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.