Finding the Fourth Proportional to 103,624.78, 155,370.60 and 68,044.08
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Solution
The fourth proportional to 103,624.78, 155,370.60 and 68,044.08 is: 102,022.41
Step by Step Solution
- Step 1: Write the proportion equation
103,624.78 : 155,370.60 = 68,044.08 : x - Step 2: Convert to fraction form
103,624.78/155,370.60 = 68,044.08/x - Step 3: Cross multiply
103,624.78x = 155,370.60 × 68,044.08 - Step 4: Simplify right side
103,624.78x = 10,572,049,536.05 - Step 5: Solve for x
x = 10,572,049,536.05/103,624.78 - Step 6: Final answer
x = 102,022.41
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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.