Finding the Fourth Proportional to 236,815.14, 355,212.99 and 131,566.98
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Solution
The fourth proportional to 236,815.14, 355,212.99 and 131,566.98 is: 197,345.07
Step by Step Solution
- Step 1: Write the proportion equation
236,815.14 : 355,212.99 = 131,566.98 : x - Step 2: Convert to fraction form
236,815.14/355,212.99 = 131,566.98/x - Step 3: Cross multiply
236,815.14x = 355,212.99 × 131,566.98 - Step 4: Simplify right side
236,815.14x = 46,734,300,351.07 - Step 5: Solve for x
x = 46,734,300,351.07/236,815.14 - Step 6: Final answer
x = 197,345.07
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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.