Finding the Fourth Proportional to 319,270.30, 440,595.99 and 176,035.43
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Solution
The fourth proportional to 319,270.30, 440,595.99 and 176,035.43 is: 242,930.54
Step by Step Solution
- Step 1: Write the proportion equation
319,270.30 : 440,595.99 = 176,035.43 : x - Step 2: Convert to fraction form
319,270.30/440,595.99 = 176,035.43/x - Step 3: Cross multiply
319,270.30x = 440,595.99 × 176,035.43 - Step 4: Simplify right side
319,270.30x = 77,560,505,657.42 - Step 5: Solve for x
x = 77,560,505,657.42/319,270.30 - Step 6: Final answer
x = 242,930.54
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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.