Finding the Fourth Proportional to 371,980.50, 513,331.88 and 202,213.41
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Solution
The fourth proportional to 371,980.50, 513,331.88 and 202,213.41 is: 279,053.85
Step by Step Solution
- Step 1: Write the proportion equation
371,980.50 : 513,331.88 = 202,213.41 : x - Step 2: Convert to fraction form
371,980.50/513,331.88 = 202,213.41/x - Step 3: Cross multiply
371,980.50x = 513,331.88 × 202,213.41 - Step 4: Simplify right side
371,980.50x = 103,802,588,905.44 - Step 5: Solve for x
x = 103,802,588,905.44/371,980.50 - Step 6: Final answer
x = 279,053.85
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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.