Finding the Fourth Proportional to 329,971.68, 455,361.24 and 179,068.68
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Solution
The fourth proportional to 329,971.68, 455,361.24 and 179,068.68 is: 247,114.95
Step by Step Solution
- Step 1: Write the proportion equation
329,971.68 : 455,361.24 = 179,068.68 : x - Step 2: Convert to fraction form
329,971.68/455,361.24 = 179,068.68/x - Step 3: Cross multiply
329,971.68x = 455,361.24 × 179,068.68 - Step 4: Simplify right side
329,971.68x = 81,540,936,169.96 - Step 5: Solve for x
x = 81,540,936,169.96/329,971.68 - Step 6: Final answer
x = 247,114.95
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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.