Finding the Fourth Proportional to 636,318.54, 955,169.42 and 257,500.08
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Solution
The fourth proportional to 636,318.54, 955,169.42 and 257,500.08 is: 386,529.99
Step by Step Solution
- Step 1: Write the proportion equation
636,318.54 : 955,169.42 = 257,500.08 : x - Step 2: Convert to fraction form
636,318.54/955,169.42 = 257,500.08/x - Step 3: Cross multiply
636,318.54x = 955,169.42 × 257,500.08 - Step 4: Simplify right side
636,318.54x = 245,956,202,063.55 - Step 5: Solve for x
x = 245,956,202,063.55/636,318.54 - Step 6: Final answer
x = 386,529.99
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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.