Finding the Fourth Proportional to 319,149.54, 440,421.06 and 175,922.88
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Solution
The fourth proportional to 319,149.54, 440,421.06 and 175,922.88 is: 242,770.65
Step by Step Solution
- Step 1: Write the proportion equation
319,149.54 : 440,421.06 = 175,922.88 : x - Step 2: Convert to fraction form
319,149.54/440,421.06 = 175,922.88/x - Step 3: Cross multiply
319,149.54x = 440,421.06 × 175,922.88 - Step 4: Simplify right side
319,149.54x = 77,480,141,287.85 - Step 5: Solve for x
x = 77,480,141,287.85/319,149.54 - Step 6: Final answer
x = 242,770.65
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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.