Finding the Fourth Proportional to 304,842.29, 420,680.99 and 175,780.13
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Solution
The fourth proportional to 304,842.29, 420,680.99 and 175,780.13 is: 242,575.79
Step by Step Solution
- Step 1: Write the proportion equation
304,842.29 : 420,680.99 = 175,780.13 : x - Step 2: Convert to fraction form
304,842.29/420,680.99 = 175,780.13/x - Step 3: Cross multiply
304,842.29x = 420,680.99 × 175,780.13 - Step 4: Simplify right side
304,842.29x = 73,947,357,446.77 - Step 5: Solve for x
x = 73,947,357,446.77/304,842.29 - Step 6: Final answer
x = 242,575.79
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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.