Finding the Fourth Proportional to 346,425.12, 520,115.76 and 239,546.88
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Solution
The fourth proportional to 346,425.12, 520,115.76 and 239,546.88 is: 359,650.90
Step by Step Solution
- Step 1: Write the proportion equation
346,425.12 : 520,115.76 = 239,546.88 : x - Step 2: Convert to fraction form
346,425.12/520,115.76 = 239,546.88/x - Step 3: Cross multiply
346,425.12x = 520,115.76 × 239,546.88 - Step 4: Simplify right side
346,425.12x = 124,592,107,546.83 - Step 5: Solve for x
x = 124,592,107,546.83/346,425.12 - Step 6: Final answer
x = 359,650.90
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1.5x scale
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.