Finding the Fourth Proportional to 239,907.24, 357,921.09 and 215,993.88
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Solution
The fourth proportional to 239,907.24, 357,921.09 and 215,993.88 is: 322,244.40
Step by Step Solution
- Step 1: Write the proportion equation
239,907.24 : 357,921.09 = 215,993.88 : x - Step 2: Convert to fraction form
239,907.24/357,921.09 = 215,993.88/x - Step 3: Cross multiply
239,907.24x = 357,921.09 × 215,993.88 - Step 4: Simplify right side
239,907.24x = 77,308,764,962.93 - Step 5: Solve for x
x = 77,308,764,962.93/239,907.24 - Step 6: Final answer
x = 322,244.40
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.