Finding the Fourth Proportional to 509,392.38, 702,927.24 and 279,944.68
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Solution
The fourth proportional to 509,392.38, 702,927.24 and 279,944.68 is: 386,304.84
Step by Step Solution
- Step 1: Write the proportion equation
509,392.38 : 702,927.24 = 279,944.68 : x - Step 2: Convert to fraction form
509,392.38/702,927.24 = 279,944.68/x - Step 3: Cross multiply
509,392.38x = 702,927.24 × 279,944.68 - Step 4: Simplify right side
509,392.38x = 196,780,741,265.08 - Step 5: Solve for x
x = 196,780,741,265.08/509,392.38 - Step 6: Final answer
x = 386,304.84
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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.