Finding the Fourth Proportional to 325,534.36, 449,393.18 and 216,819.62
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Solution
The fourth proportional to 325,534.36, 449,393.18 and 216,819.62 is: 299,314.82
Step by Step Solution
- Step 1: Write the proportion equation
325,534.36 : 449,393.18 = 216,819.62 : x - Step 2: Convert to fraction form
325,534.36/449,393.18 = 216,819.62/x - Step 3: Cross multiply
325,534.36x = 449,393.18 × 216,819.62 - Step 4: Simplify right side
325,534.36x = 97,437,256,872.35 - Step 5: Solve for x
x = 97,437,256,872.35/325,534.36 - Step 6: Final answer
x = 299,314.82
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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.