Finding the Fourth Proportional to 301,230.32, 416,130.36 and 240,721.68
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Solution
The fourth proportional to 301,230.32, 416,130.36 and 240,721.68 is: 332,541.56
Step by Step Solution
- Step 1: Write the proportion equation
301,230.32 : 416,130.36 = 240,721.68 : x - Step 2: Convert to fraction form
301,230.32/416,130.36 = 240,721.68/x - Step 3: Cross multiply
301,230.32x = 416,130.36 × 240,721.68 - Step 4: Simplify right side
301,230.32x = 100,171,599,358.21 - Step 5: Solve for x
x = 100,171,599,358.21/301,230.32 - Step 6: Final answer
x = 332,541.56
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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.