Finding the Fourth Proportional to 315,490.50, 434,924.73 and 194,550.62
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Solution
The fourth proportional to 315,490.50, 434,924.73 and 194,550.62 is: 268,201.02
Step by Step Solution
- Step 1: Write the proportion equation
315,490.50 : 434,924.73 = 194,550.62 : x - Step 2: Convert to fraction form
315,490.50/434,924.73 = 194,550.62/x - Step 3: Cross multiply
315,490.50x = 434,924.73 × 194,550.62 - Step 4: Simplify right side
315,490.50x = 84,614,873,700.21 - Step 5: Solve for x
x = 84,614,873,700.21/315,490.50 - Step 6: Final answer
x = 268,201.02
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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.