Finding the Fourth Proportional to 240,074.36, 331,293.68 and 132,642.09
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Solution
The fourth proportional to 240,074.36, 331,293.68 and 132,642.09 is: 183,041.15
Step by Step Solution
- Step 1: Write the proportion equation
240,074.36 : 331,293.68 = 132,642.09 : x - Step 2: Convert to fraction form
240,074.36/331,293.68 = 132,642.09/x - Step 3: Cross multiply
240,074.36x = 331,293.68 × 132,642.09 - Step 4: Simplify right side
240,074.36x = 43,943,485,455.78 - Step 5: Solve for x
x = 43,943,485,455.78/240,074.36 - Step 6: Final answer
x = 183,041.15
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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.