Finding the Fourth Proportional to 405,351.54, 559,440.68 and 233,265.96
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Solution
The fourth proportional to 405,351.54, 559,440.68 and 233,265.96 is: 321,938.99
Step by Step Solution
- Step 1: Write the proportion equation
405,351.54 : 559,440.68 = 233,265.96 : x - Step 2: Convert to fraction form
405,351.54/559,440.68 = 233,265.96/x - Step 3: Cross multiply
405,351.54x = 559,440.68 × 233,265.96 - Step 4: Simplify right side
405,351.54x = 130,498,466,116.92 - Step 5: Solve for x
x = 130,498,466,116.92/405,351.54 - Step 6: Final answer
x = 321,938.99
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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.