Finding the Fourth Proportional to 371,958.95, 513,300.92 and 202,193.08
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Solution
The fourth proportional to 371,958.95, 513,300.92 and 202,193.08 is: 279,025.12
Step by Step Solution
- Step 1: Write the proportion equation
371,958.95 : 513,300.92 = 202,193.08 : x - Step 2: Convert to fraction form
371,958.95/513,300.92 = 202,193.08/x - Step 3: Cross multiply
371,958.95x = 513,300.92 × 202,193.08 - Step 4: Simplify right side
371,958.95x = 103,785,891,687.42 - Step 5: Solve for x
x = 103,785,891,687.42/371,958.95 - Step 6: Final answer
x = 279,025.12
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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.