Finding the Fourth Proportional to 658,319.10, 987,724.70 and 259,238.08
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Solution
The fourth proportional to 658,319.10, 987,724.70 and 259,238.08 is: 388,954.01
Step by Step Solution
- Step 1: Write the proportion equation
658,319.10 : 987,724.70 = 259,238.08 : x - Step 2: Convert to fraction form
658,319.10/987,724.70 = 259,238.08/x - Step 3: Cross multiply
658,319.10x = 987,724.70 × 259,238.08 - Step 4: Simplify right side
658,319.10x = 256,055,854,796.58 - Step 5: Solve for x
x = 256,055,854,796.58/658,319.10 - Step 6: Final answer
x = 388,954.01
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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.