Finding the Fourth Proportional to 247,516.07, 370,608.91 and 157,069.09
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Solution
The fourth proportional to 247,516.07, 370,608.91 and 157,069.09 is: 235,181.51
Step by Step Solution
- Step 1: Write the proportion equation
247,516.07 : 370,608.91 = 157,069.09 : x - Step 2: Convert to fraction form
247,516.07/370,608.91 = 157,069.09/x - Step 3: Cross multiply
247,516.07x = 370,608.91 × 157,069.09 - Step 4: Simplify right side
247,516.07x = 58,211,202,525.80 - Step 5: Solve for x
x = 58,211,202,525.80/247,516.07 - Step 6: Final answer
x = 235,181.51
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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.