Finding the Fourth Proportional to 289,662.26, 399,750.36 and 162,346.08
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Solution
The fourth proportional to 289,662.26, 399,750.36 and 162,346.08 is: 224,046.81
Step by Step Solution
- Step 1: Write the proportion equation
289,662.26 : 399,750.36 = 162,346.08 : x - Step 2: Convert to fraction form
289,662.26/399,750.36 = 162,346.08/x - Step 3: Cross multiply
289,662.26x = 399,750.36 × 162,346.08 - Step 4: Simplify right side
289,662.26x = 64,897,903,924.59 - Step 5: Solve for x
x = 64,897,903,924.59/289,662.26 - Step 6: Final answer
x = 224,046.81
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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.