Finding the Fourth Proportional to 371,963.90, 513,315.29 and 202,201.67
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Solution
The fourth proportional to 371,963.90, 513,315.29 and 202,201.67 is: 279,041.08
Step by Step Solution
- Step 1: Write the proportion equation
371,963.90 : 513,315.29 = 202,201.67 : x - Step 2: Convert to fraction form
371,963.90/513,315.29 = 202,201.67/x - Step 3: Cross multiply
371,963.90x = 513,315.29 × 202,201.67 - Step 4: Simplify right side
371,963.90x = 103,793,207,863.53 - Step 5: Solve for x
x = 103,793,207,863.53/371,963.90 - Step 6: Final answer
x = 279,041.08
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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.