Finding the Fourth Proportional to 329,677.63, 455,043.84 and 193,802.63
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Solution
The fourth proportional to 329,677.63, 455,043.84 and 193,802.63 is: 267,499.78
Step by Step Solution
- Step 1: Write the proportion equation
329,677.63 : 455,043.84 = 193,802.63 : x - Step 2: Convert to fraction form
329,677.63/455,043.84 = 193,802.63/x - Step 3: Cross multiply
329,677.63x = 455,043.84 × 193,802.63 - Step 4: Simplify right side
329,677.63x = 88,188,692,957.30 - Step 5: Solve for x
x = 88,188,692,957.30/329,677.63 - Step 6: Final answer
x = 267,499.78
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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.