Finding the Fourth Proportional to 329,752.49, 494,296.43 and 129,995.55
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Solution
The fourth proportional to 329,752.49, 494,296.43 and 129,995.55 is: 194,862.32
Step by Step Solution
- Step 1: Write the proportion equation
329,752.49 : 494,296.43 = 129,995.55 : x - Step 2: Convert to fraction form
329,752.49/494,296.43 = 129,995.55/x - Step 3: Cross multiply
329,752.49x = 494,296.43 × 129,995.55 - Step 4: Simplify right side
329,752.49x = 64,256,335,630.91 - Step 5: Solve for x
x = 64,256,335,630.91/329,752.49 - Step 6: Final answer
x = 194,862.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.