Finding the Fourth Proportional to 329,860.76, 455,218.98 and 193,892.84
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Solution
The fourth proportional to 329,860.76, 455,218.98 and 193,892.84 is: 267,578.66
Step by Step Solution
- Step 1: Write the proportion equation
329,860.76 : 455,218.98 = 193,892.84 : x - Step 2: Convert to fraction form
329,860.76/455,218.98 = 193,892.84/x - Step 3: Cross multiply
329,860.76x = 455,218.98 × 193,892.84 - Step 4: Simplify right side
329,860.76x = 88,263,700,854.10 - Step 5: Solve for x
x = 88,263,700,854.10/329,860.76 - Step 6: Final answer
x = 267,578.66
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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.