Finding the Fourth Proportional to 178,897.84, 246,873.80 and 102,414.40
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Solution
The fourth proportional to 178,897.84, 246,873.80 and 102,414.40 is: 141,328.88
Step by Step Solution
- Step 1: Write the proportion equation
178,897.84 : 246,873.80 = 102,414.40 : x - Step 2: Convert to fraction form
178,897.84/246,873.80 = 102,414.40/x - Step 3: Cross multiply
178,897.84x = 246,873.80 × 102,414.40 - Step 4: Simplify right side
178,897.84x = 25,283,432,102.72 - Step 5: Solve for x
x = 25,283,432,102.72/178,897.84 - Step 6: Final answer
x = 141,328.88
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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.