Finding the Fourth Proportional to 448,211.98, 618,532.53 and 247,007.98
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Solution
The fourth proportional to 448,211.98, 618,532.53 and 247,007.98 is: 340,871.01
Step by Step Solution
- Step 1: Write the proportion equation
448,211.98 : 618,532.53 = 247,007.98 : x - Step 2: Convert to fraction form
448,211.98/618,532.53 = 247,007.98/x - Step 3: Cross multiply
448,211.98x = 618,532.53 × 247,007.98 - Step 4: Simplify right side
448,211.98x = 152,782,467,706.93 - Step 5: Solve for x
x = 152,782,467,706.93/448,211.98 - Step 6: Final answer
x = 340,871.01
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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.