Finding the Fourth Proportional to 240,071.36, 331,289.54 and 132,639.09
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Solution
The fourth proportional to 240,071.36, 331,289.54 and 132,639.09 is: 183,037.01
Step by Step Solution
- Step 1: Write the proportion equation
240,071.36 : 331,289.54 = 132,639.09 : x - Step 2: Convert to fraction form
240,071.36/331,289.54 = 132,639.09/x - Step 3: Cross multiply
240,071.36x = 331,289.54 × 132,639.09 - Step 4: Simplify right side
240,071.36x = 43,941,942,448.92 - Step 5: Solve for x
x = 43,941,942,448.92/240,071.36 - Step 6: Final answer
x = 183,037.01
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1.5x scale
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.