Finding the Fourth Proportional to 418,932.93, 578,169.99 and 246,906.28
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Solution
The fourth proportional to 418,932.93, 578,169.99 and 246,906.28 is: 340,755.74
Step by Step Solution
- Step 1: Write the proportion equation
418,932.93 : 578,169.99 = 246,906.28 : x - Step 2: Convert to fraction form
418,932.93/578,169.99 = 246,906.28/x - Step 3: Cross multiply
418,932.93x = 578,169.99 × 246,906.28 - Step 4: Simplify right side
418,932.93x = 142,753,801,438.54 - Step 5: Solve for x
x = 142,753,801,438.54/418,932.93 - Step 6: Final answer
x = 340,755.74
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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.