Finding the Fourth Proportional to 296,782.26, 445,173.56 and 208,430.19
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Solution
The fourth proportional to 296,782.26, 445,173.56 and 208,430.19 is: 312,645.40
Step by Step Solution
- Step 1: Write the proportion equation
296,782.26 : 445,173.56 = 208,430.19 : x - Step 2: Convert to fraction form
296,782.26/445,173.56 = 208,430.19/x - Step 3: Cross multiply
296,782.26x = 445,173.56 × 208,430.19 - Step 4: Simplify right side
296,782.26x = 92,787,609,693.78 - Step 5: Solve for x
x = 92,787,609,693.78/296,782.26 - Step 6: Final answer
x = 312,645.40
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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.