Finding the Fourth Proportional to 438,635.19, 656,455.74 and 367,638.03
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Solution
The fourth proportional to 438,635.19, 656,455.74 and 367,638.03 is: 550,202.31
Step by Step Solution
- Step 1: Write the proportion equation
438,635.19 : 656,455.74 = 367,638.03 : x - Step 2: Convert to fraction form
438,635.19/656,455.74 = 367,638.03/x - Step 3: Cross multiply
438,635.19x = 656,455.74 × 367,638.03 - Step 4: Simplify right side
438,635.19x = 241,338,095,035.79 - Step 5: Solve for x
x = 241,338,095,035.79/438,635.19 - Step 6: Final answer
x = 550,202.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.