Finding the Fourth Proportional to 178,385.76, 246,043.44 and 151,485.84
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Solution
The fourth proportional to 178,385.76, 246,043.44 and 151,485.84 is: 208,940.99
Step by Step Solution
- Step 1: Write the proportion equation
178,385.76 : 246,043.44 = 151,485.84 : x - Step 2: Convert to fraction form
178,385.76/246,043.44 = 151,485.84/x - Step 3: Cross multiply
178,385.76x = 246,043.44 × 151,485.84 - Step 4: Simplify right side
178,385.76x = 37,272,097,184.89 - Step 5: Solve for x
x = 37,272,097,184.89/178,385.76 - Step 6: Final answer
x = 208,940.99
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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.