Finding the Fourth Proportional to 371,967.26, 513,319.93 and 202,205.03
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Solution
The fourth proportional to 371,967.26, 513,319.93 and 202,205.03 is: 279,045.72
Step by Step Solution
- Step 1: Write the proportion equation
371,967.26 : 513,319.93 = 202,205.03 : x - Step 2: Convert to fraction form
371,967.26/513,319.93 = 202,205.03/x - Step 3: Cross multiply
371,967.26x = 513,319.93 × 202,205.03 - Step 4: Simplify right side
371,967.26x = 103,795,868,773.14 - Step 5: Solve for x
x = 103,795,868,773.14/371,967.26 - Step 6: Final answer
x = 279,045.72
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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.