Finding the Fourth Proportional to 371,967.18, 513,318.06 and 202,201.62
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Solution
The fourth proportional to 371,967.18, 513,318.06 and 202,201.62 is: 279,040.06
Step by Step Solution
- Step 1: Write the proportion equation
371,967.18 : 513,318.06 = 202,201.62 : x - Step 2: Convert to fraction form
371,967.18/513,318.06 = 202,201.62/x - Step 3: Cross multiply
371,967.18x = 513,318.06 × 202,201.62 - Step 4: Simplify right side
371,967.18x = 103,793,743,307.26 - Step 5: Solve for x
x = 103,793,743,307.26/371,967.18 - Step 6: Final answer
x = 279,040.06
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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.