Finding the Fourth Proportional to 319,163.49, 440,445.67 and 175,926.67
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Solution
The fourth proportional to 319,163.49, 440,445.67 and 175,926.67 is: 242,778.83
Step by Step Solution
- Step 1: Write the proportion equation
319,163.49 : 440,445.67 = 175,926.67 : x - Step 2: Convert to fraction form
319,163.49/440,445.67 = 175,926.67/x - Step 3: Cross multiply
319,163.49x = 440,445.67 × 175,926.67 - Step 4: Simplify right side
319,163.49x = 77,486,138,498.09 - Step 5: Solve for x
x = 77,486,138,498.09/319,163.49 - Step 6: Final answer
x = 242,778.83
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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.