Finding the Fourth Proportional to 329,660.20, 491,718.93 and 299,388.44
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Solution
The fourth proportional to 329,660.20, 491,718.93 and 299,388.44 is: 446,565.78
Step by Step Solution
- Step 1: Write the proportion equation
329,660.20 : 491,718.93 = 299,388.44 : x - Step 2: Convert to fraction form
329,660.20/491,718.93 = 299,388.44/x - Step 3: Cross multiply
329,660.20x = 491,718.93 × 299,388.44 - Step 4: Simplify right side
329,660.20x = 147,214,963,371.17 - Step 5: Solve for x
x = 147,214,963,371.17/329,660.20 - Step 6: Final answer
x = 446,565.78
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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.