Finding the Fourth Proportional to 329,934.14, 455,319.20 and 193,943.13
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Solution
The fourth proportional to 329,934.14, 455,319.20 and 193,943.13 is: 267,647.45
Step by Step Solution
- Step 1: Write the proportion equation
329,934.14 : 455,319.20 = 193,943.13 : x - Step 2: Convert to fraction form
329,934.14/455,319.20 = 193,943.13/x - Step 3: Cross multiply
329,934.14x = 455,319.20 × 193,943.13 - Step 4: Simplify right side
329,934.14x = 88,306,030,797.10 - Step 5: Solve for x
x = 88,306,030,797.10/329,934.14 - Step 6: Final answer
x = 267,647.45
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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.