Finding the Fourth Proportional to 178,885.44, 246,905.28 and 107,311.68
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Solution
The fourth proportional to 178,885.44, 246,905.28 and 107,311.68 is: 148,116.14
Step by Step Solution
- Step 1: Write the proportion equation
178,885.44 : 246,905.28 = 107,311.68 : x - Step 2: Convert to fraction form
178,885.44/246,905.28 = 107,311.68/x - Step 3: Cross multiply
178,885.44x = 246,905.28 × 107,311.68 - Step 4: Simplify right side
178,885.44x = 26,495,820,397.67 - Step 5: Solve for x
x = 26,495,820,397.67/178,885.44 - Step 6: Final answer
x = 148,116.14
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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.