Finding the Fourth Proportional to 405,903.06, 560,174.34 and 224,622.60
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Solution
The fourth proportional to 405,903.06, 560,174.34 and 224,622.60 is: 309,994.75
Step by Step Solution
- Step 1: Write the proportion equation
405,903.06 : 560,174.34 = 224,622.60 : x - Step 2: Convert to fraction form
405,903.06/560,174.34 = 224,622.60/x - Step 3: Cross multiply
405,903.06x = 560,174.34 × 224,622.60 - Step 4: Simplify right side
405,903.06x = 125,827,816,704.08 - Step 5: Solve for x
x = 125,827,816,704.08/405,903.06 - Step 6: Final answer
x = 309,994.75
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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.