Finding the Fourth Proportional to 178,124.49, 267,184.97 and 76,994.06
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Solution
The fourth proportional to 178,124.49, 267,184.97 and 76,994.06 is: 115,490.32
Step by Step Solution
- Step 1: Write the proportion equation
178,124.49 : 267,184.97 = 76,994.06 : x - Step 2: Convert to fraction form
178,124.49/267,184.97 = 76,994.06/x - Step 3: Cross multiply
178,124.49x = 267,184.97 × 76,994.06 - Step 4: Simplify right side
178,124.49x = 20,571,653,890.38 - Step 5: Solve for x
x = 20,571,653,890.38/178,124.49 - Step 6: Final answer
x = 115,490.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.