Finding the Fourth Proportional to 258,984.34, 357,351.01 and 144,260.06
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Solution
The fourth proportional to 258,984.34, 357,351.01 and 144,260.06 is: 199,052.49
Step by Step Solution
- Step 1: Write the proportion equation
258,984.34 : 357,351.01 = 144,260.06 : x - Step 2: Convert to fraction form
258,984.34/357,351.01 = 144,260.06/x - Step 3: Cross multiply
258,984.34x = 357,351.01 × 144,260.06 - Step 4: Simplify right side
258,984.34x = 51,551,475,996.26 - Step 5: Solve for x
x = 51,551,475,996.26/258,984.34 - Step 6: Final answer
x = 199,052.49
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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.