Finding the Fourth Proportional to 279,194.98, 418,930.86 and 110,711.70
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Solution
The fourth proportional to 279,194.98, 418,930.86 and 110,711.70 is: 166,122.43
Step by Step Solution
- Step 1: Write the proportion equation
279,194.98 : 418,930.86 = 110,711.70 : x - Step 2: Convert to fraction form
279,194.98/418,930.86 = 110,711.70/x - Step 3: Cross multiply
279,194.98x = 418,930.86 × 110,711.70 - Step 4: Simplify right side
279,194.98x = 46,380,547,693.06 - Step 5: Solve for x
x = 46,380,547,693.06/279,194.98 - Step 6: Final answer
x = 166,122.43
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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.